64918101 has 4 divisors (see below), whose sum is σ = 86557472. Its totient is φ = 43278732.

The previous prime is 64918099. The next prime is 64918103. The reversal of 64918101 is 10181946.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (64918099) and next prime (64918103).

It is not a de Polignac number, because 64918101 - 2¹ = 64918099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64918103) 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, 10819681 + ... + 10819686.

It is an arithmetic number, because the mean of its divisors is an integer number (21639368).

Almost surely, 2^64918101 is an apocalyptic number.

It is an amenable number.

64918101 is a deficient number, since it is larger than the sum of its proper divisors (21639371).

64918101 is a wasteful number, since it uses less digits than its factorization.

64918101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21639370.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 64918101 is about 8057.1769870098. The cubic root of 64918101 is about 401.9036364654.

The spelling of 64918101 in words is "sixty-four million, nine hundred eighteen thousand, one hundred one".