1561492190160 has 200 divisors, whose sum is σ = 6198050132736. Its totient is φ = 356912490240.

The previous prime is 1561492190143. The next prime is 1561492190161. The reversal of 1561492190160 is 610912941651.

1561492190160 is a `hidden beast` number, since 1 + 5 + 61 + 492 + 1 + 90 + 16 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1561492190161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17166856 + ... + 17257575.

Almost surely, 2^{1561492190160} is an apocalyptic number.

1561492190160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1561492190160 is an abundant number, since it is smaller than the sum of its proper divisors (4636557942576).

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

1561492190160 is a wasteful number, since it uses less digits than its factorization.

1561492190160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34424463 (or 34424448 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 1561492190160 in words is "one trillion, five hundred sixty-one billion, four hundred ninety-two million, one hundred ninety thousand, one hundred sixty".