22639916160 has 96 divisors (see below), whose sum is σ = 78178480380. Its totient is φ = 6037309440.

The previous prime is 22639916149. The next prime is 22639916171. The reversal of 22639916160 is 6161993622.

22639916160 is a `hidden beast` number, since 2 + 2 + 639 + 9 + 1 + 6 + 1 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22639916149) and next prime (22639916171).

It can be written as a sum of positive squares in 2 ways, for example, as 20853670464 + 1786245696 = 144408^2 + 42264^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1959511 + ... + 1971030.

Almost surely, 2^22639916160 is an apocalyptic number.

22639916160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22639916160 is an abundant number, since it is smaller than the sum of its proper divisors (55538564220).

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

22639916160 is a wasteful number, since it uses less digits than its factorization.

22639916160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930566 (or 3930551 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 22639916160 in words is "twenty-two billion, six hundred thirty-nine million, nine hundred sixteen thousand, one hundred sixty".