99156651 has 16 divisors (see below), whose sum is σ = 145335168. Its totient is φ = 59633600.

The previous prime is 99156643. The next prime is 99156653. The reversal of 99156651 is 15665199.

It is a cyclic number.

It is not a de Polignac number, because 99156651 - 2³ = 99156643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99156653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7146 + ... + 15791.

It is an arithmetic number, because the mean of its divisors is an integer number (9083448).

Almost surely, 2^99156651 is an apocalyptic number.

99156651 is a deficient number, since it is larger than the sum of its proper divisors (46178517).

99156651 is a wasteful number, since it uses less digits than its factorization.

99156651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23082.

The product of its digits is 72900, while the sum is 42.

The square root of 99156651 is about 9957.7432684319. The cubic root of 99156651 is about 462.8503715641.

The spelling of 99156651 in words is "ninety-nine million, one hundred fifty-six thousand, six hundred fifty-one".