158890111478 has 16 divisors (see below), whose sum is σ = 272518543104. Its totient is φ = 68061888360.

The previous prime is 158890111451. The next prime is 158890111529. The reversal of 158890111478 is 874111098851.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2793650 + ... + 2849957.

It is an arithmetic number, because the mean of its divisors is an integer number (17032408944).

Almost surely, 2^158890111478 is an apocalyptic number.

158890111478 is a deficient number, since it is larger than the sum of its proper divisors (113628431626).

158890111478 is a wasteful number, since it uses less digits than its factorization.

158890111478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645627.

The product of its (nonzero) digits is 645120, while the sum is 53.

The spelling of 158890111478 in words is "one hundred fifty-eight billion, eight hundred ninety million, one hundred eleven thousand, four hundred seventy-eight".