1656605616150 has 48 divisors (see below), whose sum is σ = 4108979312064. Its totient is φ = 441697262880.

The previous prime is 1656605616143. The next prime is 1656605616173. The reversal of 1656605616150 is 516165066561.

It is a super-2 number, since 2×1656605616150² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1656605616150.

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, 236569 + ... + 1835531.

It is an arithmetic number, because the mean of its divisors is an integer number (85603735668).

Almost surely, 2^{1656605616150} is an apocalyptic number.

1656605616150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1656605616150 is an abundant number, since it is smaller than the sum of its proper divisors (2452373695914).

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

1656605616150 is a wasteful number, since it uses less digits than its factorization.

1656605616150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605885 (or 1605880 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 1656605616150 in words is "one trillion, six hundred fifty-six billion, six hundred five million, six hundred sixteen thousand, one hundred fifty".