1952663139660 has 24 divisors (see below), whose sum is σ = 5467456791216. Its totient is φ = 520710170560.

The previous prime is 1952663139599. The next prime is 1952663139683. The reversal of 1952663139660 is 669313662591.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1952663139660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16272192771 + ... + 16272192890.

It is an arithmetic number, because the mean of its divisors is an integer number (227810699634).

Almost surely, 2^{1952663139660} is an apocalyptic number.

1952663139660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1952663139660 is an abundant number, since it is smaller than the sum of its proper divisors (3514793651556).

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

1952663139660 is a wasteful number, since it uses less digits than its factorization.

1952663139660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32544385673 (or 32544385671 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 57.

The spelling of 1952663139660 in words is "one trillion, nine hundred fifty-two billion, six hundred sixty-three million, one hundred thirty-nine thousand, six hundred sixty".