64418998 has 32 divisors (see below), whose sum is σ = 118370304. Its totient is φ = 25689312.

The previous prime is 64418983. The next prime is 64419013. The reversal of 64418998 is 89981446.

It is an interprime number because it is at equal distance from previous prime (64418983) and next prime (64419013).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9211 + ... + 14617.

It is an arithmetic number, because the mean of its divisors is an integer number (3699072).

Almost surely, 2^64418998 is an apocalyptic number.

64418998 is a deficient number, since it is larger than the sum of its proper divisors (53951306).

64418998 is a wasteful number, since it uses less digits than its factorization.

64418998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476.

The product of its digits is 497664, while the sum is 49.

The square root of 64418998 is about 8026.1446535681. The cubic root of 64418998 is about 400.8710144578.

The spelling of 64418998 in words is "sixty-four million, four hundred eighteen thousand, nine hundred ninety-eight".