1376652663890 has 64 divisors (see below), whose sum is σ = 2899367412480. Its totient is φ = 460774137600.

The previous prime is 1376652663863. The next prime is 1376652663979. The reversal of 1376652663890 is 983662566731.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5601716 + ... + 5842304.

It is an arithmetic number, because the mean of its divisors is an integer number (45302615820).

Almost surely, 2^{1376652663890} is an apocalyptic number.

1376652663890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1376652663890 is an abundant number, since it is smaller than the sum of its proper divisors (1522714748590).

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

1376652663890 is a wasteful number, since it uses less digits than its factorization.

1376652663890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242547.

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 1376652663890 in words is "one trillion, three hundred seventy-six billion, six hundred fifty-two million, six hundred sixty-three thousand, eight hundred ninety".