158402469771 has 48 divisors (see below), whose sum is σ = 285570754560. Its totient is φ = 82376118720.

The previous prime is 158402469727. The next prime is 158402469773. The reversal of 158402469771 is 177964204851.

It is not a de Polignac number, because 158402469771 - 2¹⁸ = 158402207627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158402469773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1303891 + ... + 1420188.

It is an arithmetic number, because the mean of its divisors is an integer number (5949390720).

Almost surely, 2^158402469771 is an apocalyptic number.

158402469771 is a deficient number, since it is larger than the sum of its proper divisors (127168284789).

158402469771 is a wasteful number, since it uses less digits than its factorization.

158402469771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724176 (or 2724173 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 158402469771 in words is "one hundred fifty-eight billion, four hundred two million, four hundred sixty-nine thousand, seven hundred seventy-one".