1616150164 has 24 divisors (see below), whose sum is σ = 2927501640. Its totient is φ = 779753856.

The previous prime is 1616150161. The next prime is 1616150171. The reversal of 1616150164 is 4610516161.

It can be written as a sum of positive squares in 4 ways, for example, as 698544900 + 917605264 = 26430^2 + 30292^2 .

It is a super-2 number, since 2×1616150164² = 5223882705194453792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616150161) 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, 279834 + ... + 285550.

It is an arithmetic number, because the mean of its divisors is an integer number (121979235).

Almost surely, 2^1616150164 is an apocalyptic number.

It is an amenable number.

1616150164 is a deficient number, since it is larger than the sum of its proper divisors (1311351476).

1616150164 is a wasteful number, since it uses less digits than its factorization.

1616150164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8187 (or 8185 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1616150164 is about 40201.3701756545. The cubic root of 1616150164 is about 1173.5292088263.

The spelling of 1616150164 in words is "one billion, six hundred sixteen million, one hundred fifty thousand, one hundred sixty-four".