1316051646220 has 48 divisors (see below), whose sum is σ = 2769511368960. Its totient is φ = 525315727296.

The previous prime is 1316051646181. The next prime is 1316051646229. The reversal of 1316051646220 is 226461506131.

It is a self number, because there is not a number n which added to its sum of digits gives 1316051646220.

It is not an unprimeable number, because it can be changed into a prime (1316051646229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85544649 + ... + 85560031.

It is an arithmetic number, because the mean of its divisors is an integer number (57698153520).

Almost surely, 2^{1316051646220} is an apocalyptic number.

1316051646220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316051646220 is an abundant number, since it is smaller than the sum of its proper divisors (1453459722740).

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

1316051646220 is a wasteful number, since it uses less digits than its factorization.

1316051646220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24094 (or 24092 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 1316051646220 in words is "one trillion, three hundred sixteen billion, fifty-one million, six hundred forty-six thousand, two hundred twenty".