610161066 has 32 divisors (see below), whose sum is σ = 1414869120. Its totient is φ = 194543712.

The previous prime is 610161049. The next prime is 610161103. The reversal of 610161066 is 660161016.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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, 244395 + ... + 246878.

It is an arithmetic number, because the mean of its divisors is an integer number (44214660).

Almost surely, 2^610161066 is an apocalyptic number.

610161066 is an abundant number, since it is smaller than the sum of its proper divisors (804708054).

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

610161066 is a wasteful number, since it uses less digits than its factorization.

610161066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491307 (or 491301 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 610161066 is about 24701.4385411053. The cubic root of 610161066 is about 848.1672464790.

The spelling of 610161066 in words is "six hundred ten million, one hundred sixty-one thousand, sixty-six".