1390416668108 has 48 divisors (see below), whose sum is σ = 2684096548224. Its totient is φ = 626212823040.

The previous prime is 1390416668087. The next prime is 1390416668117. The reversal of 1390416668108 is 8018666140931.

It is a self number, because there is not a number n which added to its sum of digits gives 1390416668108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20453 + ... + 1667708.

It is an arithmetic number, because the mean of its divisors is an integer number (55918678088).

Almost surely, 2^{1390416668108} is an apocalyptic number.

It is an amenable number.

1390416668108 is a deficient number, since it is larger than the sum of its proper divisors (1293679880116).

1390416668108 is a wasteful number, since it uses less digits than its factorization.

1390416668108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688562 (or 1688560 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 1390416668108 in words is "one trillion, three hundred ninety billion, four hundred sixteen million, six hundred sixty-eight thousand, one hundred eight".