158222154764 has 12 divisors (see below), whose sum is σ = 276891575688. Its totient is φ = 79110276000.

The previous prime is 158222154757. The next prime is 158222154767. The reversal of 158222154764 is 467451222851.

It is not an unprimeable number, because it can be changed into a prime (158222154767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592559 + ... + 817049.

It is an arithmetic number, because the mean of its divisors is an integer number (23074297974).

Almost surely, 2^158222154764 is an apocalyptic number.

It is an amenable number.

158222154764 is a deficient number, since it is larger than the sum of its proper divisors (118669420924).

158222154764 is a wasteful number, since it uses less digits than its factorization.

158222154764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400696 (or 400694 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The spelling of 158222154764 in words is "one hundred fifty-eight billion, two hundred twenty-two million, one hundred fifty-four thousand, seven hundred sixty-four".