46161757872 has 80 divisors (see below), whose sum is σ = 132857037280. Its totient is φ = 15345946368.

The previous prime is 46161757843. The next prime is 46161757877. The reversal of 46161757872 is 27875716164.

46161757872 is a `hidden beast` number, since 4 + 6 + 1 + 61 + 7 + 578 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (46161757877) by changing a digit.

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, 17898 + ... + 304374.

It is an arithmetic number, because the mean of its divisors is an integer number (1660712966).

Almost surely, 2^46161757872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46161757872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66428518640).

46161757872 is an abundant number, since it is smaller than the sum of its proper divisors (86695279408).

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

46161757872 is a wasteful number, since it uses less digits than its factorization.

46161757872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286867 (or 286855 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The spelling of 46161757872 in words is "forty-six billion, one hundred sixty-one million, seven hundred fifty-seven thousand, eight hundred seventy-two".