816148875 has 16 divisors (see below), whose sum is σ = 1358072352. Its totient is φ = 435279200.

The previous prime is 816148807. The next prime is 816148891. The reversal of 816148875 is 578841618.

It is a happy number.

It is not a de Polignac number, because 816148875 - 2¹³ = 816140683 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087824 + ... + 1088573.

It is an arithmetic number, because the mean of its divisors is an integer number (84879522).

Almost surely, 2^816148875 is an apocalyptic number.

816148875 is a deficient number, since it is larger than the sum of its proper divisors (541923477).

816148875 is a wasteful number, since it uses less digits than its factorization.

816148875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176415 (or 2176405 counting only the distinct ones).

The product of its digits is 430080, while the sum is 48.

The square root of 816148875 is about 28568.3194290459. The cubic root of 816148875 is about 934.5225717038.

The spelling of 816148875 in words is "eight hundred sixteen million, one hundred forty-eight thousand, eight hundred seventy-five".