3534957666 has 16 divisors (see below), whose sum is σ = 7855461600. Its totient is φ = 1178319204.

The previous prime is 3534957661. The next prime is 3534957667. The reversal of 3534957666 is 6667594353.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 65462179 = 3534957666 / (3 + 5 + 3 + 4 + 9 + 5 + 7 + 6 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (3534957661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32731036 + ... + 32731143.

It is an arithmetic number, because the mean of its divisors is an integer number (490966350).

Almost surely, 2^3534957666 is an apocalyptic number.

3534957666 is an abundant number, since it is smaller than the sum of its proper divisors (4320503934).

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

3534957666 is a wasteful number, since it uses less digits than its factorization.

3534957666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65462190 (or 65462184 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 54.

The square root of 3534957666 is about 59455.5099717427. The cubic root of 3534957666 is about 1523.3326096948.

The spelling of 3534957666 in words is "three billion, five hundred thirty-four million, nine hundred fifty-seven thousand, six hundred sixty-six".