64970766141 has 16 divisors (see below), whose sum is σ = 91728964800. Its totient is φ = 40763513088.

The previous prime is 64970766131. The next prime is 64970766173. The reversal of 64970766141 is 14166707946.

It is not a de Polignac number, because 64970766141 - 2¹¹ = 64970764093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64970766101) 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, 1209390 + ... + 1261968.

It is an arithmetic number, because the mean of its divisors is an integer number (5733060300).

Almost surely, 2^64970766141 is an apocalyptic number.

It is an amenable number.

64970766141 is a deficient number, since it is larger than the sum of its proper divisors (26758198659).

64970766141 is a wasteful number, since it uses less digits than its factorization.

64970766141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76828.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 64970766141 in words is "sixty-four billion, nine hundred seventy million, seven hundred sixty-six thousand, one hundred forty-one".