23225519664 has 80 divisors (see below), whose sum is σ = 67758803040. Its totient is φ = 7614915840.

The previous prime is 23225519657. The next prime is 23225519677. The reversal of 23225519664 is 46691552232.

23225519664 is a `hidden beast` number, since 2 + 3 + 2 + 2 + 551 + 96 + 6 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414327 + ... + 467030.

It is an arithmetic number, because the mean of its divisors is an integer number (846985038).

Almost surely, 2^23225519664 is an apocalyptic number.

23225519664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23225519664 is an abundant number, since it is smaller than the sum of its proper divisors (44533283376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23225519664 is a wasteful number, since it uses less digits than its factorization.

23225519664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881435 (or 881423 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 23225519664 in words is "twenty-three billion, two hundred twenty-five million, five hundred nineteen thousand, six hundred sixty-four".