158162665506331 has 8 divisors (see below), whose sum is σ = 160755696080624. Its totient is φ = 155569641383520.

The previous prime is 158162665506283. The next prime is 158162665506343. The reversal of 158162665506331 is 133605566261851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158162665506331 - 2²⁵ = 158162631951899 is a prime.

It is a super-2 number, since 2×158162665506331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158162665506371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91932781 + ... + 93637393.

It is an arithmetic number, because the mean of its divisors is an integer number (20094462010078).

Almost surely, 2^{158162665506331} is an apocalyptic number.

158162665506331 is a deficient number, since it is larger than the sum of its proper divisors (2593030574293).

158162665506331 is a wasteful number, since it uses less digits than its factorization.

158162665506331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225741.

The product of its (nonzero) digits is 23328000, while the sum is 58.

The spelling of 158162665506331 in words is "one hundred fifty-eight trillion, one hundred sixty-two billion, six hundred sixty-five million, five hundred six thousand, three hundred thirty-one".