1461216156504 has 64 divisors (see below), whose sum is σ = 3934231741440. Its totient is φ = 449583457920.

The previous prime is 1461216156467. The next prime is 1461216156511. The reversal of 1461216156504 is 4056516121641.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7177639 + ... + 7378409.

It is an arithmetic number, because the mean of its divisors is an integer number (61472370960).

Almost surely, 2^{1461216156504} is an apocalyptic number.

It is an amenable number.

1461216156504 is an abundant number, since it is smaller than the sum of its proper divisors (2473015584936).

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

1461216156504 is a wasteful number, since it uses less digits than its factorization.

1461216156504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224120 (or 224116 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 1461216156504 in words is "one trillion, four hundred sixty-one billion, two hundred sixteen million, one hundred fifty-six thousand, five hundred four".