64957011 has 16 divisors (see below), whose sum is σ = 99122688. Its totient is φ = 37065600.

The previous prime is 64957003. The next prime is 64957019. The reversal of 64957011 is 11075946.

It is an interprime number because it is at equal distance from previous prime (64957003) and next prime (64957019).

It is not a de Polignac number, because 64957011 - 2³ = 64957003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64957019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16746 + ... + 20256.

It is an arithmetic number, because the mean of its divisors is an integer number (6195168).

Almost surely, 2^64957011 is an apocalyptic number.

64957011 is a deficient number, since it is larger than the sum of its proper divisors (34165677).

64957011 is a wasteful number, since it uses less digits than its factorization.

64957011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 64957011 is about 8059.5912427368. The cubic root of 64957011 is about 401.9839168338.

The spelling of 64957011 in words is "sixty-four million, nine hundred fifty-seven thousand, eleven".