1008955564 has 12 divisors (see below), whose sum is σ = 1779576064. Its totient is φ = 500505264.

The previous prime is 1008955523. The next prime is 1008955567. The reversal of 1008955564 is 4655598001.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1008955564.

It is not an unprimeable number, because it can be changed into a prime (1008955567) 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, 992559 + ... + 993574.

Almost surely, 2^1008955564 is an apocalyptic number.

It is an amenable number.

1008955564 is a deficient number, since it is larger than the sum of its proper divisors (770620500).

1008955564 is a wasteful number, since it uses less digits than its factorization.

1008955564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986264 (or 1986262 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 1008955564 is about 31764.0608864799. The cubic root of 1008955564 is about 1002.9763207264.

The spelling of 1008955564 in words is "one billion, eight million, nine hundred fifty-five thousand, five hundred sixty-four".