816351546 has 16 divisors (see below), whose sum is σ = 1635074208. Its totient is φ = 271722000.

The previous prime is 816351541. The next prime is 816351607. The reversal of 816351546 is 645153618.

It is not an unprimeable number, because it can be changed into a prime (816351541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94305 + ... + 102596.

It is an arithmetic number, because the mean of its divisors is an integer number (102192138).

Almost surely, 2^816351546 is an apocalyptic number.

816351546 is an abundant number, since it is smaller than the sum of its proper divisors (818722662).

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

816351546 is a wasteful number, since it uses less digits than its factorization.

816351546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197597.

The product of its digits is 86400, while the sum is 39.

The square root of 816351546 is about 28571.8663373606. The cubic root of 816351546 is about 934.5999207245.

The spelling of 816351546 in words is "eight hundred sixteen million, three hundred fifty-one thousand, five hundred forty-six".