1616466516 has 24 divisors (see below), whose sum is σ = 4310577600. Its totient is φ = 461847552.

The previous prime is 1616466499. The next prime is 1616466559. The reversal of 1616466516 is 6156646161.

It is a super-2 number, since 2×1616466516² = 5225927994698356512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9621741 + ... + 9621908.

It is an arithmetic number, because the mean of its divisors is an integer number (179607400).

Almost surely, 2^1616466516 is an apocalyptic number.

It is an amenable number.

1616466516 is an abundant number, since it is smaller than the sum of its proper divisors (2694111084).

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

1616466516 is a wasteful number, since it uses less digits than its factorization.

1616466516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19243663 (or 19243661 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 1616466516 is about 40205.3045753915. The cubic root of 1616466516 is about 1173.6057743378.

The spelling of 1616466516 in words is "one billion, six hundred sixteen million, four hundred sixty-six thousand, five hundred sixteen".