64126678054 has 8 divisors (see below), whose sum is σ = 96892134408. Its totient is φ = 31829299920.

The previous prime is 64126678043. The next prime is 64126678067. The reversal of 64126678054 is 45087662146.

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

It is a super-2 number, since 2×64126678054² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64126677989 and 64126678007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117019212 + ... + 117019759.

It is an arithmetic number, because the mean of its divisors is an integer number (12111516801).

Almost surely, 2^64126678054 is an apocalyptic number.

64126678054 is a deficient number, since it is larger than the sum of its proper divisors (32765456354).

64126678054 is a wasteful number, since it uses less digits than its factorization.

64126678054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234039110.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 64126678054 in words is "sixty-four billion, one hundred twenty-six million, six hundred seventy-eight thousand, fifty-four".