1992649359960 has 96 divisors (see below), whose sum is σ = 7401269060640. Its totient is φ = 455462710272.

The previous prime is 1992649359949. The next prime is 1992649359983. The reversal of 1992649359960 is 699539462991.

1992649359960 is a `hidden beast` number, since 1 + 9 + 9 + 26 + 4 + 9 + 3 + 599 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395364417 + ... + 395369456.

It is an arithmetic number, because the mean of its divisors is an integer number (77096552715).

Almost surely, 2^{1992649359960} is an apocalyptic number.

1992649359960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1992649359960 is an abundant number, since it is smaller than the sum of its proper divisors (5408619700680).

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

1992649359960 is a wasteful number, since it uses less digits than its factorization.

1992649359960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790733897 (or 790733890 counting only the distinct ones).

The product of its (nonzero) digits is 255091680, while the sum is 72.

The spelling of 1992649359960 in words is "one trillion, nine hundred ninety-two billion, six hundred forty-nine million, three hundred fifty-nine thousand, nine hundred sixty".