64265237670 has 64 divisors (see below), whose sum is σ = 162555644160. Its totient is φ = 16215292800.

The previous prime is 64265237669. The next prime is 64265237671. The reversal of 64265237670 is 7673256246.

It is an interprime number because it is at equal distance from previous prime (64265237669) and next prime (64265237671).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64265237671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392760 + ... + 531780.

It is an arithmetic number, because the mean of its divisors is an integer number (2539931940).

Almost surely, 2^64265237670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64265237670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81277822080).

64265237670 is an abundant number, since it is smaller than the sum of its proper divisors (98290406490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64265237670 is a wasteful number, since it uses less digits than its factorization.

64265237670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139861.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 64265237670 in words is "sixty-four billion, two hundred sixty-five million, two hundred thirty-seven thousand, six hundred seventy".