158931683790 has 48 divisors (see below), whose sum is σ = 419264418384. Its totient is φ = 38528892160.

The previous prime is 158931683737. The next prime is 158931683803. The reversal of 158931683790 is 97386139851.

It is a super-2 number, since 2×158931683790² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21887787 + ... + 21895046.

It is an arithmetic number, because the mean of its divisors is an integer number (8734675383).

Almost surely, 2^158931683790 is an apocalyptic number.

158931683790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158931683790 is an abundant number, since it is smaller than the sum of its proper divisors (260332734594).

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

158931683790 is a wasteful number, since it uses less digits than its factorization.

158931683790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43782865 (or 43782854 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 158931683790 in words is "one hundred fifty-eight billion, nine hundred thirty-one million, six hundred eighty-three thousand, seven hundred ninety".