99158651 has 2 divisors, whose sum is σ = 99158652. Its totient is φ = 99158650.

The previous prime is 99158641. The next prime is 99158699. The reversal of 99158651 is 15685199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99158651 - 2²² = 94964347 is a prime.

It is a super-3 number, since 3×99158651³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (99158641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49579325 + 49579326.

It is an arithmetic number, because the mean of its divisors is an integer number (49579326).

Almost surely, 2^99158651 is an apocalyptic number.

99158651 is a deficient number, since it is larger than the sum of its proper divisors (1).

99158651 is an equidigital number, since it uses as much as digits as its factorization.

99158651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 44.

The square root of 99158651 is about 9957.8436922860. The cubic root of 99158651 is about 462.8534834566.

The spelling of 99158651 in words is "ninety-nine million, one hundred fifty-eight thousand, six hundred fifty-one".