1616246457 has 48 divisors (see below), whose sum is σ = 2752417152. Its totient is φ = 823426560.

The previous prime is 1616246453. The next prime is 1616246483. The reversal of 1616246457 is 7546426161.

It is not a de Polignac number, because 1616246457 - 2² = 1616246453 is a prime.

It is a super-2 number, since 2×1616246457² = 5224505219530105698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616246453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122607 + ... + 135147.

It is an arithmetic number, because the mean of its divisors is an integer number (57342024).

Almost surely, 2^1616246457 is an apocalyptic number.

1616246457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1616246457 is a deficient number, since it is larger than the sum of its proper divisors (1136170695).

1616246457 is a wasteful number, since it uses less digits than its factorization.

1616246457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12606 (or 12587 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 1616246457 is about 40202.5677911250. The cubic root of 1616246457 is about 1173.5525153248.

The spelling of 1616246457 in words is "one billion, six hundred sixteen million, two hundred forty-six thousand, four hundred fifty-seven".