99995651 has 32 divisors (see below), whose sum is σ = 127196160. Its totient is φ = 76640256.

The previous prime is 99995647. The next prime is 99995663. The reversal of 99995651 is 15659999.

It is not a de Polignac number, because 99995651 - 2² = 99995647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99995593 and 99995602.

It is not an unprimeable number, because it can be changed into a prime (99995641) 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 31 ways as a sum of consecutive naturals, for example, 296555 + ... + 296891.

It is an arithmetic number, because the mean of its divisors is an integer number (3974880).

Almost surely, 2^99995651 is an apocalyptic number.

99995651 is a deficient number, since it is larger than the sum of its proper divisors (27200509).

99995651 is a wasteful number, since it uses less digits than its factorization.

99995651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its digits is 984150, while the sum is 53.

The square root of 99995651 is about 9999.7825476357. The cubic root of 99995651 is about 464.1521545071.

The spelling of 99995651 in words is "ninety-nine million, nine hundred ninety-five thousand, six hundred fifty-one".