155373797376 has 400 divisors, whose sum is σ = 536870896000. Its totient is φ = 44392513536.

The previous prime is 155373797311. The next prime is 155373797401. The reversal of 155373797376 is 673797373551.

It is a happy number.

The cubic root of 155373797376 is 5376.

It is a perfect power (a cube), and thus also a powerful number.

155373797376 is a `hidden beast` number, since 1 + 5 + 537 + 3 + 7 + 97 + 3 + 7 + 6 = 666.

It is a super-2 number, since 2×155373797376² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22196256765 + ... + 22196256771.

It is an arithmetic number, because the mean of its divisors is an integer number (1342177240).

Almost surely, 2^155373797376 is an apocalyptic number.

155373797376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155373797376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268435448000).

155373797376 is an abundant number, since it is smaller than the sum of its proper divisors (381497098624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155373797376 is an frugal number, since it uses more digits than its factorization.

155373797376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 12 counting only the distinct ones).

The product of its digits is 87516450, while the sum is 63.

The spelling of 155373797376 in words is "one hundred fifty-five billion, three hundred seventy-three million, seven hundred ninety-seven thousand, three hundred seventy-six".