1620151631022 has 16 divisors (see below), whose sum is σ = 3250655672400. Its totient is φ = 538325141952.

The previous prime is 1620151630991. The next prime is 1620151631041. The reversal of 1620151631022 is 2201361510261.

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, 431348397 + ... + 431352152.

It is an arithmetic number, because the mean of its divisors is an integer number (203165979525).

Almost surely, 2^{1620151631022} is an apocalyptic number.

1620151631022 is an abundant number, since it is smaller than the sum of its proper divisors (1630504041378).

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

1620151631022 is a wasteful number, since it uses less digits than its factorization.

1620151631022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862700867.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 1620151631022 in words is "one trillion, six hundred twenty billion, one hundred fifty-one million, six hundred thirty-one thousand, twenty-two".