158166233037 has 32 divisors (see below), whose sum is σ = 249216629760. Its totient is φ = 98796464640.

The previous prime is 158166232993. The next prime is 158166233053. The reversal of 158166233037 is 730332661851.

158166233037 is a `hidden beast` number, since 1 + 5 + 8 + 16 + 623 + 3 + 0 + 3 + 7 = 666.

It is not a de Polignac number, because 158166233037 - 2³⁴ = 140986363853 is a prime.

It is a super-2 number, since 2×158166233037² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158166232983 and 158166233001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158166233237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670264 + ... + 874977.

It is an arithmetic number, because the mean of its divisors is an integer number (7788019680).

Almost surely, 2^158166233037 is an apocalyptic number.

158166233037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

158166233037 is a deficient number, since it is larger than the sum of its proper divisors (91050396723).

158166233037 is a wasteful number, since it uses less digits than its factorization.

158166233037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545490 (or 1545484 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

Adding to 158166233037 its reverse (730332661851), we get a palindrome (888498894888).

The spelling of 158166233037 in words is "one hundred fifty-eight billion, one hundred sixty-six million, two hundred thirty-three thousand, thirty-seven".