1553150816 has 48 divisors (see below), whose sum is σ = 3497258016. Its totient is φ = 665127936.

The previous prime is 1553150791. The next prime is 1553150827. The reversal of 1553150816 is 6180513551.

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, 530990 + ... + 533906.

It is an arithmetic number, because the mean of its divisors is an integer number (72859542).

Almost surely, 2^1553150816 is an apocalyptic number.

1553150816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1553150816 is an abundant number, since it is smaller than the sum of its proper divisors (1944107200).

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

1553150816 is a wasteful number, since it uses less digits than its factorization.

1553150816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311 (or 5303 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 1553150816 is about 39410.0344582443. The cubic root of 1553150816 is about 1158.0781733066.

The spelling of 1553150816 in words is "one billion, five hundred fifty-three million, one hundred fifty thousand, eight hundred sixteen".