1653166815036 has 24 divisors (see below), whose sum is σ = 4208060984064. Its totient is φ = 500959640880.

The previous prime is 1653166815031. The next prime is 1653166815043. The reversal of 1653166815036 is 6305186613561.

It is a self number, because there is not a number n which added to its sum of digits gives 1653166815036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653166815031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6261995380 + ... + 6261995643.

It is an arithmetic number, because the mean of its divisors is an integer number (175335874336).

Almost surely, 2^{1653166815036} is an apocalyptic number.

It is an amenable number.

1653166815036 is an abundant number, since it is smaller than the sum of its proper divisors (2554894169028).

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

1653166815036 is a wasteful number, since it uses less digits than its factorization.

1653166815036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12523991041 (or 12523991039 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 1653166815036 in words is "one trillion, six hundred fifty-three billion, one hundred sixty-six million, eight hundred fifteen thousand, thirty-six".