57161214330 has 96 divisors (see below), whose sum is σ = 150877387584. Its totient is φ = 13849440000.

The previous prime is 57161214329. The next prime is 57161214377. The reversal of 57161214330 is 3341216175.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 57161214291 and 57161214300.

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, 8857605 + ... + 8864055.

It is an arithmetic number, because the mean of its divisors is an integer number (1571639454).

Almost surely, 2^57161214330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57161214330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75438693792).

57161214330 is an abundant number, since it is smaller than the sum of its proper divisors (93716173254).

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

57161214330 is a wasteful number, since it uses less digits than its factorization.

57161214330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924 (or 8913 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 57161214330 in words is "fifty-seven billion, one hundred sixty-one million, two hundred fourteen thousand, three hundred thirty".