161045477351415 has 48 divisors (see below), whose sum is σ = 281185647069600. Its totient is φ = 85263322150656.

The previous prime is 161045477351323. The next prime is 161045477351431. The reversal of 161045477351415 is 514153774540161.

161045477351415 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 4 + 5 + 47 + 73 + 514 + 15 = 666.

It is not a de Polignac number, because 161045477351415 - 2²⁸ = 161045208915959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53818681 + ... + 56732189.

It is an arithmetic number, because the mean of its divisors is an integer number (5858034313950).

Almost surely, 2^{161045477351415} is an apocalyptic number.

161045477351415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161045477351415 is a deficient number, since it is larger than the sum of its proper divisors (120140169718185).

161045477351415 is a wasteful number, since it uses less digits than its factorization.

161045477351415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922496 (or 2922493 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 161045477351415 in words is "one hundred sixty-one trillion, forty-five billion, four hundred seventy-seven million, three hundred fifty-one thousand, four hundred fifteen".