158661740156 has 24 divisors (see below), whose sum is σ = 277940242944. Its totient is φ = 79250291120.

The previous prime is 158661740131. The next prime is 158661740177. The reversal of 158661740156 is 651047166851.

158661740156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20755271 + ... + 20762913.

It is an arithmetic number, because the mean of its divisors is an integer number (11580843456).

Almost surely, 2^158661740156 is an apocalyptic number.

It is an amenable number.

158661740156 is a deficient number, since it is larger than the sum of its proper divisors (119278502788).

158661740156 is a wasteful number, since it uses less digits than its factorization.

158661740156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241 (or 12239 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 158661740156 in words is "one hundred fifty-eight billion, six hundred sixty-one million, seven hundred forty thousand, one hundred fifty-six".