1620562750336 has 32 divisors (see below), whose sum is σ = 3418374556080. Its totient is φ = 762617763840.

The previous prime is 1620562750309. The next prime is 1620562750519. The reversal of 1620562750336 is 6330572650261.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1620562750336² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372369780 + ... + 372374131.

Almost surely, 2^{1620562750336} is an apocalyptic number.

1620562750336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1620562750336 is an abundant number, since it is smaller than the sum of its proper divisors (1797811805744).

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

1620562750336 is an equidigital number, since it uses as much as digits as its factorization.

1620562750336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744743942 (or 744743930 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 1620562750336 in words is "one trillion, six hundred twenty billion, five hundred sixty-two million, seven hundred fifty thousand, three hundred thirty-six".