99651902 has 16 divisors (see below), whose sum is σ = 170964960. Its totient is φ = 42674688.

The previous prime is 99651901. The next prime is 99651907. The reversal of 99651902 is 20915699.

It is a self number, because there is not a number n which added to its sum of digits gives 99651902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99651901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26474 + ... + 30002.

It is an arithmetic number, because the mean of its divisors is an integer number (10685310).

Almost surely, 2^99651902 is an apocalyptic number.

99651902 is a deficient number, since it is larger than the sum of its proper divisors (71313058).

99651902 is a wasteful number, since it uses less digits than its factorization.

99651902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 99651902 is about 9982.5799270529. The cubic root of 99651902 is about 463.6196812960.

The spelling of 99651902 in words is "ninety-nine million, six hundred fifty-one thousand, nine hundred two".