1566161095 has 8 divisors (see below), whose sum is σ = 1944200160. Its totient is φ = 1209724320.

The previous prime is 1566161083. The next prime is 1566161099. The reversal of 1566161095 is 5901616651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1566161095 - 2¹⁷ = 1566030023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1566161099) 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, 5400411 + ... + 5400700.

It is an arithmetic number, because the mean of its divisors is an integer number (243025020).

Almost surely, 2^1566161095 is an apocalyptic number.

1566161095 is a deficient number, since it is larger than the sum of its proper divisors (378039065).

1566161095 is a wasteful number, since it uses less digits than its factorization.

1566161095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801145.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 1566161095 is about 39574.7532525473. The cubic root of 1566161095 is about 1161.3028106744.

The spelling of 1566161095 in words is "one billion, five hundred sixty-six million, one hundred sixty-one thousand, ninety-five".