350661556 has 12 divisors (see below), whose sum is σ = 701323168. Its totient is φ = 150283512.

The previous prime is 350661547. The next prime is 350661557. The reversal of 350661556 is 655166053.

It is a happy number.

350661556 is an admirable number.

It is a super-2 number, since 2×350661556² = 245927053712682272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350661557) 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, 6261786 + ... + 6261841.

Almost surely, 2^350661556 is an apocalyptic number.

It is an amenable number.

350661556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

350661556 is a wasteful number, since it uses less digits than its factorization.

350661556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523638 (or 12523636 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 350661556 is about 18725.9594146735. The cubic root of 350661556 is about 705.1736111510.

The spelling of 350661556 in words is "three hundred fifty million, six hundred sixty-one thousand, five hundred fifty-six".