16161450245 has 8 divisors (see below), whose sum is σ = 19395173400. Its totient is φ = 12928204800.

The previous prime is 16161450229. The next prime is 16161450269. The reversal of 16161450245 is 54205416161.

It can be written as a sum of positive squares in 4 ways, for example, as 8582354881 + 7579095364 = 92641^2 + 87058^2 .

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

It is not a de Polignac number, because 16161450245 - 2⁴ = 16161450229 is a prime.

It is a super-2 number, since 2×16161450245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40220 + ... + 184229.

It is an arithmetic number, because the mean of its divisors is an integer number (2424396675).

Almost surely, 2^16161450245 is an apocalyptic number.

It is an amenable number.

16161450245 is a deficient number, since it is larger than the sum of its proper divisors (3233723155).

16161450245 is a wasteful number, since it uses less digits than its factorization.

16161450245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238855.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 16161450245 in words is "sixteen billion, one hundred sixty-one million, four hundred fifty thousand, two hundred forty-five".