1653166101042 has 48 divisors (see below), whose sum is σ = 3601070124288. Its totient is φ = 548107560000.

The previous prime is 1653166101019. The next prime is 1653166101053. The reversal of 1653166101042 is 2401016613561.

1653166101042 is a `hidden beast` number, since 1 + 6 + 5 + 31 + 6 + 610 + 1 + 0 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1653166100988 and 1653166101006.

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, 2291667 + ... + 2925417.

It is an arithmetic number, because the mean of its divisors is an integer number (75022294256).

Almost surely, 2^{1653166101042} is an apocalyptic number.

1653166101042 is an abundant number, since it is smaller than the sum of its proper divisors (1947904023246).

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

1653166101042 is a wasteful number, since it uses less digits than its factorization.

1653166101042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634535 (or 634532 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 1653166101042 in words is "one trillion, six hundred fifty-three billion, one hundred sixty-six million, one hundred one thousand, forty-two".