1521162063 has 48 divisors (see below), whose sum is σ = 2375365824. Its totient is φ = 935700480.

The previous prime is 1521162053. The next prime is 1521162103. The reversal of 1521162063 is 3602611251.

1521162063 is a `hidden beast` number, since 15 + 21 + 1 + 620 + 6 + 3 = 666.

It is not a de Polignac number, because 1521162063 - 2⁴ = 1521162047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521162053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 668095 + ... + 670367.

It is an arithmetic number, because the mean of its divisors is an integer number (49486788).

Almost surely, 2^1521162063 is an apocalyptic number.

1521162063 is a deficient number, since it is larger than the sum of its proper divisors (854203761).

1521162063 is a wasteful number, since it uses less digits than its factorization.

1521162063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1521162063 is about 39002.0776754265. The cubic root of 1521162063 is about 1150.0723490715.

The spelling of 1521162063 in words is "one billion, five hundred twenty-one million, one hundred sixty-two thousand, sixty-three".