916690220 has 12 divisors (see below), whose sum is σ = 1925049504. Its totient is φ = 366676080.

The previous prime is 916690217. The next prime is 916690223. The reversal of 916690220 is 22096619.

916690220 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (916690217) and next prime (916690223).

It is not an unprimeable number, because it can be changed into a prime (916690223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22917236 + ... + 22917275.

It is an arithmetic number, because the mean of its divisors is an integer number (160420792).

Almost surely, 2^916690220 is an apocalyptic number.

It is an amenable number.

916690220 is an abundant number, since it is smaller than the sum of its proper divisors (1008359284).

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

916690220 is a wasteful number, since it uses less digits than its factorization.

916690220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45834520 (or 45834518 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 916690220 is about 30276.8925089746. The cubic root of 916690220 is about 971.4211004739.

The spelling of 916690220 in words is "nine hundred sixteen million, six hundred ninety thousand, two hundred twenty".