816938130 has 16 divisors (see below), whose sum is σ = 1960651584. Its totient is φ = 217850160.

The previous prime is 816938119. The next prime is 816938147. The reversal of 816938130 is 31839618.

It is a Curzon 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, 13615606 + ... + 13615665.

It is an arithmetic number, because the mean of its divisors is an integer number (122540724).

Almost surely, 2^816938130 is an apocalyptic number.

816938130 is an abundant number, since it is smaller than the sum of its proper divisors (1143713454).

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

816938130 is a wasteful number, since it uses less digits than its factorization.

816938130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27231281.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 816938130 is about 28582.1295567703. The cubic root of 816938130 is about 934.8237173262.

The spelling of 816938130 in words is "eight hundred sixteen million, nine hundred thirty-eight thousand, one hundred thirty".