64320177102346 has 16 divisors (see below), whose sum is σ = 105324340849920. Its totient is φ = 29216126927680.

The previous prime is 64320177102263. The next prime is 64320177102361.

It is a happy number.

64320177102346 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64320177102296 and 64320177102305.

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, 1015828111 + ... + 1015891426.

It is an arithmetic number, because the mean of its divisors is an integer number (6582771303120).

Almost surely, 2^{64320177102346} is an apocalyptic number.

64320177102346 is a deficient number, since it is larger than the sum of its proper divisors (41004163747574).

64320177102346 is a wasteful number, since it uses less digits than its factorization.

64320177102346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031720989.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 64320177102346 in words is "sixty-four trillion, three hundred twenty billion, one hundred seventy-seven million, one hundred two thousand, three hundred forty-six".