158717007690 has 32 divisors (see below), whose sum is σ = 403327926720. Its totient is φ = 39834856704.

The previous prime is 158717007677. The next prime is 158717007749. The reversal of 158717007690 is 96700717851.

It is a super-2 number, since 2×158717007690² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 155604400 + ... + 155605419.

It is an arithmetic number, because the mean of its divisors is an integer number (12603997710).

Almost surely, 2^158717007690 is an apocalyptic number.

158717007690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158717007690 is an abundant number, since it is smaller than the sum of its proper divisors (244610919030).

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

158717007690 is a wasteful number, since it uses less digits than its factorization.

158717007690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311209846.

The product of its (nonzero) digits is 740880, while the sum is 51.

The spelling of 158717007690 in words is "one hundred fifty-eight billion, seven hundred seventeen million, seven thousand, six hundred ninety".