99199651 has 2 divisors, whose sum is σ = 99199652. Its totient is φ = 99199650.

The previous prime is 99199643. The next prime is 99199663. The reversal of 99199651 is 15699199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99199651 - 2³ = 99199643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99199595 and 99199604.

It is not a weakly prime, because it can be changed into another prime (99199631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49599825 + 49599826.

It is an arithmetic number, because the mean of its divisors is an integer number (49599826).

Almost surely, 2^99199651 is an apocalyptic number.

99199651 is a deficient number, since it is larger than the sum of its proper divisors (1).

99199651 is an equidigital number, since it uses as much as digits as its factorization.

99199651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196830, while the sum is 49.

The square root of 99199651 is about 9959.9021581540. The cubic root of 99199651 is about 462.9172680339.

The spelling of 99199651 in words is "ninety-nine million, one hundred ninety-nine thousand, six hundred fifty-one".