158640102670 has 32 divisors (see below), whose sum is σ = 327269896128. Its totient is φ = 54236802048.

The previous prime is 158640102667. The next prime is 158640102727. The reversal of 158640102670 is 76201046851.

It is a super-2 number, since 2×158640102670² (a number of 23 digits) contains 22 as substring.

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, 3185329 + ... + 3234748.

It is an arithmetic number, because the mean of its divisors is an integer number (10227184254).

Almost surely, 2^158640102670 is an apocalyptic number.

158640102670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158640102670 is an abundant number, since it is smaller than the sum of its proper divisors (168629793458).

158640102670 is a wasteful number, since it uses less digits than its factorization.

158640102670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420444.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 158640102670 in words is "one hundred fifty-eight billion, six hundred forty million, one hundred two thousand, six hundred seventy".