99901516 has 24 divisors (see below), whose sum is σ = 205393104. Its totient is φ = 41916480.

The previous prime is 99901507. The next prime is 99901541. The reversal of 99901516 is 61510999.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86755 + ... + 87898.

It is an arithmetic number, because the mean of its divisors is an integer number (8558046).

Almost surely, 2^99901516 is an apocalyptic number.

It is an amenable number.

99901516 is an abundant number, since it is smaller than the sum of its proper divisors (105491588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99901516 is a wasteful number, since it uses less digits than its factorization.

99901516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174681 (or 174679 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 99901516 is about 9995.0745870153. The cubic root of 99901516 is about 464.0064592343.

The spelling of 99901516 in words is "ninety-nine million, nine hundred one thousand, five hundred sixteen".