99953616 has 40 divisors (see below), whose sum is σ = 295102144. Its totient is φ = 28558080.

The previous prime is 99953603. The next prime is 99953617. The reversal of 99953616 is 61635999.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99953617) 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, 148405 + ... + 149076.

Almost surely, 2^99953616 is an apocalyptic number.

It is an amenable number.

99953616 is an abundant number, since it is smaller than the sum of its proper divisors (195148528).

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

99953616 is a wasteful number, since it uses less digits than its factorization.

99953616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297499 (or 297493 counting only the distinct ones).

The product of its digits is 393660, while the sum is 48.

The square root of 99953616 is about 9997.6805310032. The cubic root of 99953616 is about 464.0871071104.

It can be divided in two parts, 999 and 53616, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 99953616 in words is "ninety-nine million, nine hundred fifty-three thousand, six hundred sixteen".