821616294162 has 32 divisors (see below), whose sum is σ = 1646275718592. Its totient is φ = 273365316864.

The previous prime is 821616294143. The next prime is 821616294211. The reversal of 821616294162 is 261492616128.

821616294162 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 8228038 + ... + 8327294.

It is an arithmetic number, because the mean of its divisors is an integer number (51446116206).

Almost surely, 2^821616294162 is an apocalyptic number.

821616294162 is an abundant number, since it is smaller than the sum of its proper divisors (824659424430).

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

821616294162 is a wasteful number, since it uses less digits than its factorization.

821616294162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101802.

The product of its digits is 497664, while the sum is 48.

The spelling of 821616294162 in words is "eight hundred twenty-one billion, six hundred sixteen million, two hundred ninety-four thousand, one hundred sixty-two".