1656162516 has 24 divisors (see below), whose sum is σ = 3872848000. Its totient is φ = 550844352.

The previous prime is 1656162511. The next prime is 1656162517. The reversal of 1656162516 is 6152616561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656162511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145516 + ... + 156483.

Almost surely, 2^1656162516 is an apocalyptic number.

It is an amenable number.

1656162516 is an abundant number, since it is smaller than the sum of its proper divisors (2216685484).

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

1656162516 is a wasteful number, since it uses less digits than its factorization.

1656162516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302463 (or 302461 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 1656162516 is about 40695.9766561757. The cubic root of 1656162516 is about 1183.1350407846.

The spelling of 1656162516 in words is "one billion, six hundred fifty-six million, one hundred sixty-two thousand, five hundred sixteen".