1620117026000 has 80 divisors (see below), whose sum is σ = 4273574205888. Its totient is φ = 589133456000.

The previous prime is 1620117025999. The next prime is 1620117026041. The reversal of 1620117026000 is 6207110261.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 36798842 + ... + 36842841.

Almost surely, 2^{1620117026000} is an apocalyptic number.

1620117026000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1620117026000 is an abundant number, since it is smaller than the sum of its proper divisors (2653457179888).

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

1620117026000 is a wasteful number, since it uses less digits than its factorization.

1620117026000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73641717 (or 73641701 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 1620117026000 in words is "one trillion, six hundred twenty billion, one hundred seventeen million, twenty-six thousand".