99626651 has 4 divisors (see below), whose sum is σ = 99986592. Its totient is φ = 99266712.

The previous prime is 99626627. The next prime is 99626693. The reversal of 99626651 is 15662699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15662699 = 13 ⋅1204823.

It is a cyclic number.

It is not a de Polignac number, because 99626651 - 2²² = 95432347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99626621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179555 + ... + 180108.

It is an arithmetic number, because the mean of its divisors is an integer number (24996648).

Almost surely, 2^99626651 is an apocalyptic number.

99626651 is a deficient number, since it is larger than the sum of its proper divisors (359941).

99626651 is a wasteful number, since it uses less digits than its factorization.

99626651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359940.

The product of its digits is 174960, while the sum is 44.

The square root of 99626651 is about 9981.3150937139. The cubic root of 99626651 is about 463.5805188071.

The spelling of 99626651 in words is "ninety-nine million, six hundred twenty-six thousand, six hundred fifty-one".