3661511466 has 32 divisors (see below), whose sum is σ = 7499977920. Its totient is φ = 1191250944.

The previous prime is 3661511461. The next prime is 3661511467. The reversal of 3661511466 is 6641151663.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3661511461) 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, 31545 + ... + 91203.

It is an arithmetic number, because the mean of its divisors is an integer number (234374310).

Almost surely, 2^3661511466 is an apocalyptic number.

3661511466 is an abundant number, since it is smaller than the sum of its proper divisors (3838466454).

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

3661511466 is a wasteful number, since it uses less digits than its factorization.

3661511466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59910.

The product of its digits is 77760, while the sum is 39.

The square root of 3661511466 is about 60510.4244407524. The cubic root of 3661511466 is about 1541.2986552194.

The spelling of 3661511466 in words is "three billion, six hundred sixty-one million, five hundred eleven thousand, four hundred sixty-six".