1616570166 has 16 divisors (see below), whose sum is σ = 3235413744. Its totient is φ = 538477824.

The previous prime is 1616570149. The next prime is 1616570177. The reversal of 1616570166 is 6610756161.

It is a super-2 number, since 2×1616570166² = 5226598203202535112, which 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, 85411 + ... + 102606.

It is an arithmetic number, because the mean of its divisors is an integer number (202213359).

Almost surely, 2^1616570166 is an apocalyptic number.

1616570166 is an abundant number, since it is smaller than the sum of its proper divisors (1618843578).

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

1616570166 is a wasteful number, since it uses less digits than its factorization.

1616570166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189455.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1616570166 is about 40206.5935637428. The cubic root of 1616570166 is about 1173.6308581935.

The spelling of 1616570166 in words is "one billion, six hundred sixteen million, five hundred seventy thousand, one hundred sixty-six".