1616276166 has 32 divisors (see below), whose sum is σ = 3261772800. Its totient is φ = 533900640.

The previous prime is 1616276161. The next prime is 1616276203. The reversal of 1616276166 is 6616726161.

It is a happy number.

It is a super-2 number, since 2×1616276166² = 5224697289559319112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616276161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122475 + ... + 1123913.

It is an arithmetic number, because the mean of its divisors is an integer number (101930400).

Almost surely, 2^1616276166 is an apocalyptic number.

1616276166 is an abundant number, since it is smaller than the sum of its proper divisors (1645496634).

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

1616276166 is a wasteful number, since it uses less digits than its factorization.

1616276166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its digits is 108864, while the sum is 42.

The square root of 1616276166 is about 40202.9372807510. The cubic root of 1616276166 is about 1173.5597058243.

The spelling of 1616276166 in words is "one billion, six hundred sixteen million, two hundred seventy-six thousand, one hundred sixty-six".