64160099 has 4 divisors (see below), whose sum is σ = 64176120. Its totient is φ = 64144080.

The previous prime is 64160077. The next prime is 64160113. The reversal of 64160099 is 99006146.

It is a Cunningham number, because it is equal to 8010²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 99006146 = 2 ⋅49503073.

It is a cyclic number.

It is not a de Polignac number, because 64160099 - 2¹² = 64156003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64160059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4004 + ... + 12014.

It is an arithmetic number, because the mean of its divisors is an integer number (16044030).

Almost surely, 2^64160099 is an apocalyptic number.

64160099 is a deficient number, since it is larger than the sum of its proper divisors (16021).

64160099 is an equidigital number, since it uses as much as digits as its factorization.

64160099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16020.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 64160099 is about 8009.9999375780. Note that the first 4 decimals coincide. The cubic root of 64160099 is about 400.3332618476. Note that the first 3 decimals are identical.

The spelling of 64160099 in words is "sixty-four million, one hundred sixty thousand, ninety-nine".