916990148 has 6 divisors (see below), whose sum is σ = 1604732766. Its totient is φ = 458495072.

The previous prime is 916990099. The next prime is 916990169. The reversal of 916990148 is 841099619.

It can be written as a sum of positive squares in only one way, i.e., 822083584 + 94906564 = 28672^2 + 9742^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114623765 + ... + 114623772.

It is an arithmetic number, because the mean of its divisors is an integer number (267455461).

Almost surely, 2^916990148 is an apocalyptic number.

It is an amenable number.

916990148 is a deficient number, since it is larger than the sum of its proper divisors (687742618).

916990148 is a wasteful number, since it uses less digits than its factorization.

916990148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229247541 (or 229247539 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 916990148 is about 30281.8451881651. The cubic root of 916990148 is about 971.5270339766.

The spelling of 916990148 in words is "nine hundred sixteen million, nine hundred ninety thousand, one hundred forty-eight".