669080093400 has 96 divisors (see below), whose sum is σ = 2304609229200. Its totient is φ = 178421356800.

The previous prime is 669080093321. The next prime is 669080093413. The reversal of 669080093400 is 4390080966.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61946461 + ... + 61957260.

Almost surely, 2^669080093400 is an apocalyptic number.

669080093400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

669080093400 is an abundant number, since it is smaller than the sum of its proper divisors (1635529135800).

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

669080093400 is a wasteful number, since it uses less digits than its factorization.

669080093400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123903746 (or 123903731 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 669080093400 in words is "six hundred sixty-nine billion, eighty million, ninety-three thousand, four hundred".