1522713816 has 192 divisors, whose sum is σ = 4664368800. Its totient is φ = 462578688.

The previous prime is 1522713809. The next prime is 1522713821. The reversal of 1522713816 is 6183172251.

1522713816 is a `hidden beast` number, since 1 + 5 + 2 + 271 + 381 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2248870 + ... + 2249546.

Almost surely, 2^1522713816 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 1522713816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2332184400).

1522713816 is an abundant number, since it is smaller than the sum of its proper divisors (3141654984).

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

1522713816 is a wasteful number, since it uses less digits than its factorization.

1522713816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 784 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1522713816 is about 39021.9658141411. The cubic root of 1522713816 is about 1150.4632830304.

The spelling of 1522713816 in words is "one billion, five hundred twenty-two million, seven hundred thirteen thousand, eight hundred sixteen".