955999816 has 8 divisors (see below), whose sum is σ = 1792499670. Its totient is φ = 477999904.

The previous prime is 955999771. The next prime is 955999817. The reversal of 955999816 is 618999559.

It can be written as a sum of positive squares in only one way, i.e., 909022500 + 46977316 = 30150^2 + 6854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (955999817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59749981 + ... + 59749996.

Almost surely, 2^955999816 is an apocalyptic number.

It is an amenable number.

955999816 is a deficient number, since it is larger than the sum of its proper divisors (836499854).

955999816 is a wasteful number, since it uses less digits than its factorization.

955999816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119499983 (or 119499979 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 61.

The square root of 955999816 is about 30919.2466919878. The cubic root of 955999816 is about 985.1127413534.

The spelling of 955999816 in words is "nine hundred fifty-five million, nine hundred ninety-nine thousand, eight hundred sixteen".