36351661 has 16 divisors (see below), whose sum is σ = 40435200. Its totient is φ = 32505088.

The previous prime is 36351647. The next prime is 36351671. The reversal of 36351661 is 16615363.

It is not a de Polignac number, because 36351661 - 2⁵ = 36351629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36351671) 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, 93255 + ... + 93643.

It is an arithmetic number, because the mean of its divisors is an integer number (2527200).

Almost surely, 2^36351661 is an apocalyptic number.

It is an amenable number.

36351661 is a deficient number, since it is larger than the sum of its proper divisors (4083539).

36351661 is a wasteful number, since it uses less digits than its factorization.

36351661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its digits is 9720, while the sum is 31.

The square root of 36351661 is about 6029.2338650943. The cubic root of 36351661 is about 331.2643902138.

The spelling of 36351661 in words is "thirty-six million, three hundred fifty-one thousand, six hundred sixty-one".