99956651 has 8 divisors (see below), whose sum is σ = 107113104. Its totient is φ = 92942080.

The previous prime is 99956629. The next prime is 99956671. The reversal of 99956651 is 15665999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99956651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99956651.

It is not an unprimeable number, because it can be changed into a prime (99956621) 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, 34010 + ... + 36831.

It is an arithmetic number, because the mean of its divisors is an integer number (13389138).

Almost surely, 2^99956651 is an apocalyptic number.

99956651 is a deficient number, since it is larger than the sum of its proper divisors (7156453).

99956651 is a wasteful number, since it uses less digits than its factorization.

99956651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70941.

The product of its digits is 656100, while the sum is 50.

The square root of 99956651 is about 9997.8323150571. The cubic root of 99956651 is about 464.0918042562.

The spelling of 99956651 in words is "ninety-nine million, nine hundred fifty-six thousand, six hundred fifty-one".