158372161600 has 63 divisors (see below), whose sum is σ = 389733673287. Its totient is φ = 63342497280.

The previous prime is 158372161553. The next prime is 158372161627. The reversal of 158372161600 is 6161273851.

It is a happy number.

The square root of 158372161600 is 397960.

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

158372161600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9536694336 + 148835467264 = 97656^2 + 385792^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15913426 + ... + 15923374.

Almost surely, 2^158372161600 is an apocalyptic number.

158372161600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158372161600 is the 397960-th square number.

It is an amenable number.

158372161600 is an abundant number, since it is smaller than the sum of its proper divisors (231361511687).

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

158372161600 is an frugal number, since it uses more digits than its factorization.

158372161600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19920 (or 9956 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 158372161600 in words is "one hundred fifty-eight billion, three hundred seventy-two million, one hundred sixty-one thousand, six hundred".