161421014763 has 48 divisors (see below), whose sum is σ = 236996435520. Its totient is φ = 105859353600.

The previous prime is 161421014743. The next prime is 161421014767. The reversal of 161421014763 is 367410124161.

161421014763 is a `hidden beast` number, since 1 + 614 + 21 + 0 + 14 + 7 + 6 + 3 = 666.

It is not a de Polignac number, because 161421014763 - 2¹⁷ = 161420883691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161421014767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255817458 + ... + 255818088.

It is an arithmetic number, because the mean of its divisors is an integer number (4937425740).

Almost surely, 2^161421014763 is an apocalyptic number.

161421014763 is a deficient number, since it is larger than the sum of its proper divisors (75575420757).

161421014763 is a wasteful number, since it uses less digits than its factorization.

161421014763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 161421014763 in words is "one hundred sixty-one billion, four hundred twenty-one million, fourteen thousand, seven hundred sixty-three".