2207978653560 has 128 divisors (see below), whose sum is σ = 6643177390080. Its totient is φ = 587084883968.

The previous prime is 2207978653553. The next prime is 2207978653627. The reversal of 2207978653560 is 653568797022.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 2207978653494 and 2207978653503.

It is a congruent 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, 266885584 + ... + 266893856.

It is an arithmetic number, because the mean of its divisors is an integer number (51899823360).

Almost surely, 2^{2207978653560} is an apocalyptic number.

2207978653560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2207978653560 is an abundant number, since it is smaller than the sum of its proper divisors (4435198736520).

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

2207978653560 is a wasteful number, since it uses less digits than its factorization.

2207978653560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14477 (or 14473 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 2207978653560 in words is "two trillion, two hundred seven billion, nine hundred seventy-eight million, six hundred fifty-three thousand, five hundred sixty".