7162121000655 has 32 divisors (see below), whose sum is σ = 12816981841920. Its totient is φ = 3794501181600.

The previous prime is 7162121000591. The next prime is 7162121000677. The reversal of 7162121000655 is 5560001212617.

7162121000655 is a `hidden beast` number, since 7 + 1 + 621 + 21 + 0 + 0 + 0 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 7162121000655 - 2⁶ = 7162121000591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175650967 + ... + 175691736.

It is an arithmetic number, because the mean of its divisors is an integer number (400530682560).

Almost surely, 2^{7162121000655} is an apocalyptic number.

7162121000655 is a deficient number, since it is larger than the sum of its proper divisors (5654860841265).

7162121000655 is a wasteful number, since it uses less digits than its factorization.

7162121000655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351342868 (or 351342862 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 7162121000655 in words is "seven trillion, one hundred sixty-two billion, one hundred twenty-one million, six hundred fifty-five", and thus it is an aban number.