351564211210664 has 8 divisors (see below), whose sum is σ = 659182896020010. Its totient is φ = 175782105605328.

The previous prime is 351564211210601. The next prime is 351564211210673. The reversal of 351564211210664 is 466012112465153.

It can be written as a sum of positive squares in only one way, i.e., 290263798636900 + 61300412573764 = 17037130^2 + 7829458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21972763200659 + ... + 21972763200674.

Almost surely, 2^{351564211210664} is an apocalyptic number.

It is an amenable number.

351564211210664 is a deficient number, since it is larger than the sum of its proper divisors (307618684809346).

351564211210664 is a wasteful number, since it uses less digits than its factorization.

351564211210664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43945526401339 (or 43945526401335 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 351564211210664 in words is "three hundred fifty-one trillion, five hundred sixty-four billion, two hundred eleven million, two hundred ten thousand, six hundred sixty-four".