6662611623276 has 72 divisors (see below), whose sum is σ = 19248201152544. Its totient is φ = 1903538396160.

The previous prime is 6662611623203. The next prime is 6662611623287. The reversal of 6662611623276 is 6723261162666.

It is a super-2 number, since 2×6662611623276² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

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, 7210236 + ... + 8081628.

Almost surely, 2^{6662611623276} is an apocalyptic number.

It is an amenable number.

6662611623276 is an abundant number, since it is smaller than the sum of its proper divisors (12585589529268).

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

6662611623276 is a wasteful number, since it uses less digits than its factorization.

6662611623276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901751 (or 901746 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 6662611623276 in words is "six trillion, six hundred sixty-two billion, six hundred eleven million, six hundred twenty-three thousand, two hundred seventy-six".