1601166210 has 32 divisors (see below), whose sum is σ = 4391770752. Its totient is φ = 365980800.

The previous prime is 1601166191. The next prime is 1601166239. The reversal of 1601166210 is 126611061.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3812091 + ... + 3812510.

It is an arithmetic number, because the mean of its divisors is an integer number (137242836).

Almost surely, 2^1601166210 is an apocalyptic number.

1601166210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1601166210 is an abundant number, since it is smaller than the sum of its proper divisors (2790604542).

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

1601166210 is a wasteful number, since it uses less digits than its factorization.

1601166210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7624618.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1601166210 is about 40014.5749696283. The cubic root of 1601166210 is about 1169.8911944987.

Adding to 1601166210 its reverse (126611061), we get a palindrome (1727777271).

The spelling of 1601166210 in words is "one billion, six hundred one million, one hundred sixty-six thousand, two hundred ten".