146915914691 has 48 divisors (see below), whose sum is σ = 185275641600. Its totient is φ = 114035635584.

The previous prime is 146915914687. The next prime is 146915914709. The reversal of 146915914691 is 196419519641.

It is a happy number.

It is not a de Polignac number, because 146915914691 - 2² = 146915914687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146915914091) 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, 38875040 + ... + 38878818.

It is an arithmetic number, because the mean of its divisors is an integer number (3859909200).

Almost surely, 2^146915914691 is an apocalyptic number.

146915914691 is a deficient number, since it is larger than the sum of its proper divisors (38359726909).

146915914691 is a wasteful number, since it uses less digits than its factorization.

146915914691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428 (or 4415 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 56.

The spelling of 146915914691 in words is "one hundred forty-six billion, nine hundred fifteen million, nine hundred fourteen thousand, six hundred ninety-one".