161472634058736 has 1440 divisors, whose sum is σ = 629157300355584. Its totient is φ = 37333981900800.

The previous prime is 161472634058711. The next prime is 161472634058789. The reversal of 161472634058736 is 637850436274161.

161472634058736 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 7 + 2 + 6 + 3 + 40 + 587 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 42526369990 + ... + 42526373786.

Almost surely, 2^{161472634058736} is an apocalyptic number.

161472634058736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161472634058736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314578650177792).

161472634058736 is an abundant number, since it is smaller than the sum of its proper divisors (467684666296848).

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

161472634058736 is a wasteful number, since it uses less digits than its factorization.

161472634058736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4171 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 161472634058736 in words is "one hundred sixty-one trillion, four hundred seventy-two billion, six hundred thirty-four million, fifty-eight thousand, seven hundred thirty-six".