158270915628 has 384 divisors, whose sum is σ = 486965606400. Its totient is φ = 43527684096.

The previous prime is 158270915599. The next prime is 158270915633. The reversal of 158270915628 is 826519072851.

158270915628 is a `hidden beast` number, since 1 + 5 + 8 + 2 + 7 + 0 + 9 + 1 + 5 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 679274200 + ... + 679274432.

It is an arithmetic number, because the mean of its divisors is an integer number (1268139600).

Almost surely, 2^158270915628 is an apocalyptic number.

158270915628 is a gapful number since it is divisible by the number (18) 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 158270915628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243482803200).

158270915628 is an abundant number, since it is smaller than the sum of its proper divisors (328694690772).

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

158270915628 is a wasteful number, since it uses less digits than its factorization.

158270915628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 158270915628 in words is "one hundred fifty-eight billion, two hundred seventy million, nine hundred fifteen thousand, six hundred twenty-eight".