1453885616 has 20 divisors (see below), whose sum is σ = 2907772224. Its totient is φ = 703492800.

The previous prime is 1453885613. The next prime is 1453885621. The reversal of 1453885616 is 6165883541.

1453885616 is an admirable number.

It is a super-2 number, since 2×1453885616² = 4227566768823398912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453885613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465115 + ... + 1466106.

Almost surely, 2^1453885616 is an apocalyptic number.

1453885616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1453885616 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1453885616 is a wasteful number, since it uses less digits than its factorization.

1453885616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931260 (or 2931254 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 1453885616 is about 38129.8520322332. The cubic root of 1453885616 is about 1132.8613147026.

The spelling of 1453885616 in words is "one billion, four hundred fifty-three million, eight hundred eighty-five thousand, six hundred sixteen".