158204067840 has 1280 divisors, whose sum is σ = 703399213440. Its totient is φ = 33124515840.

The previous prime is 158204067839. The next prime is 158204067851. The reversal of 158204067840 is 48760402851.

158204067840 is a `hidden beast` number, since 1 + 582 + 0 + 4 + 0 + 67 + 8 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a super-2 number, since 2×158204067840² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1207664575 + ... + 1207664705.

Almost surely, 2^158204067840 is an apocalyptic number.

158204067840 is a gapful number since it is divisible by the number (10) 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 158204067840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351699606720).

158204067840 is an abundant number, since it is smaller than the sum of its proper divisors (545195145600).

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

158204067840 is an equidigital number, since it uses as much as digits as its factorization.

158204067840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 158204067840 in words is "one hundred fifty-eight billion, two hundred four million, sixty-seven thousand, eight hundred forty".