1163645662100 has 36 divisors (see below), whose sum is σ = 2549626750944. Its totient is φ = 460939248480.

The previous prime is 1163645662099. The next prime is 1163645662171. The reversal of 1163645662100 is 12665463611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56477354 + ... + 56497953.

It is an arithmetic number, because the mean of its divisors is an integer number (70822965304).

Almost surely, 2^{1163645662100} is an apocalyptic number.

1163645662100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163645662100 is an abundant number, since it is smaller than the sum of its proper divisors (1385981088844).

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

1163645662100 is a wasteful number, since it uses less digits than its factorization.

1163645662100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112975424 (or 112975417 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 1163645662100 in words is "one trillion, one hundred sixty-three billion, six hundred forty-five million, six hundred sixty-two thousand, one hundred".