1616056761 has 48 divisors (see below), whose sum is σ = 2540704320. Its totient is φ = 910166400.

The previous prime is 1616056759. The next prime is 1616056891. The reversal of 1616056761 is 1676506161.

It is not a de Polignac number, because 1616056761 - 2¹ = 1616056759 is a prime.

It is a super-2 number, since 2×1616056761² = 5223278909547622242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616056711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363331 + ... + 367751.

It is an arithmetic number, because the mean of its divisors is an integer number (52931340).

Almost surely, 2^1616056761 is an apocalyptic number.

1616056761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1616056761 is a deficient number, since it is larger than the sum of its proper divisors (924647559).

1616056761 is a wasteful number, since it uses less digits than its factorization.

1616056761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518 (or 4507 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1616056761 is about 40200.2084696087. The cubic root of 1616056761 is about 1173.5066009312.

The spelling of 1616056761 in words is "one billion, six hundred sixteen million, fifty-six thousand, seven hundred sixty-one".