64097151 has 8 divisors (see below), whose sum is σ = 85647744. Its totient is φ = 42639000.

The previous prime is 64097149. The next prime is 64097161. The reversal of 64097151 is 15179046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64097151 - 2¹ = 64097149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64097101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21475 + ... + 24276.

It is an arithmetic number, because the mean of its divisors is an integer number (10705968).

Almost surely, 2^64097151 is an apocalyptic number.

64097151 is a deficient number, since it is larger than the sum of its proper divisors (21550593).

64097151 is a wasteful number, since it uses less digits than its factorization.

64097151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46221.

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

The square root of 64097151 is about 8006.0696349707. The cubic root of 64097151 is about 400.2022955907.

The spelling of 64097151 in words is "sixty-four million, ninety-seven thousand, one hundred fifty-one".