264420188366 has 16 divisors (see below), whose sum is σ = 402410081808. Its totient is φ = 130291440000.

The previous prime is 264420188339. The next prime is 264420188377. The reversal of 264420188366 is 663881024462.

It is a congruent number.

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, 1919585 + ... + 2052716.

It is an arithmetic number, because the mean of its divisors is an integer number (25150630113).

Almost surely, 2^264420188366 is an apocalyptic number.

264420188366 is a deficient number, since it is larger than the sum of its proper divisors (137989893442).

264420188366 is a wasteful number, since it uses less digits than its factorization.

264420188366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972787.

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 264420188366 in words is "two hundred sixty-four billion, four hundred twenty million, one hundred eighty-eight thousand, three hundred sixty-six".