1616346464 has 12 divisors (see below), whose sum is σ = 3182182164. Its totient is φ = 808173216.

The previous prime is 1616346461. The next prime is 1616346467. The reversal of 1616346464 is 4646436161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1616346461) and next prime (1616346467).

It is a super-2 number, since 2×1616346464² = 5225151783370606592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616346461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255382 + ... + 25255445.

It is an arithmetic number, because the mean of its divisors is an integer number (265181847).

Almost surely, 2^1616346464 is an apocalyptic number.

It is an amenable number.

1616346464 is a deficient number, since it is larger than the sum of its proper divisors (1565835700).

1616346464 is an equidigital number, since it uses as much as digits as its factorization.

1616346464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50510837 (or 50510829 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The square root of 1616346464 is about 40203.8115605971. The cubic root of 1616346464 is about 1173.5767197699.

The spelling of 1616346464 in words is "one billion, six hundred sixteen million, three hundred forty-six thousand, four hundred sixty-four".