64177277146 has 16 divisors (see below), whose sum is σ = 96495763680. Its totient is φ = 32012089200.

The previous prime is 64177277119. The next prime is 64177277161.

64177277146 is nontrivially palindromic in base 10.

64177277146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64177277093 and 64177277102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064265 + ... + 2095123.

It is an arithmetic number, because the mean of its divisors is an integer number (6030985230).

Almost surely, 2^64177277146 is an apocalyptic number.

64177277146 is a deficient number, since it is larger than the sum of its proper divisors (32318486534).

64177277146 is a wasteful number, since it uses less digits than its factorization.

64177277146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33309.

The product of its digits is 2765952, while the sum is 52.

The spelling of 64177277146 in words is "sixty-four billion, one hundred seventy-seven million, two hundred seventy-seven thousand, one hundred forty-six".