64127672146 has 16 divisors (see below), whose sum is σ = 96428965248. Its totient is φ = 31984772400.

The previous prime is 64127672143. The next prime is 64127672171.

64127672146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64127672146² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64127672096 and 64127672105.

It is not an unprimeable number, because it can be changed into a prime (64127672143) 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, 1487961 + ... + 1530451.

It is an arithmetic number, because the mean of its divisors is an integer number (6026810328).

Almost surely, 2^64127672146 is an apocalyptic number.

64127672146 is a deficient number, since it is larger than the sum of its proper divisors (32301293102).

64127672146 is a wasteful number, since it uses less digits than its factorization.

64127672146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44337.

The product of its digits is 677376, while the sum is 46.

It can be divided in two parts, 64 and 127672146, that added together give a triangular number (127672210 = T₁₅₉₇₉).

The spelling of 64127672146 in words is "sixty-four billion, one hundred twenty-seven million, six hundred seventy-two thousand, one hundred forty-six".