32601661 has 4 divisors (see below), whose sum is σ = 32645824. Its totient is φ = 32557500.

The previous prime is 32601659. The next prime is 32601703. The reversal of 32601661 is 16610623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32601661 - 2¹ = 32601659 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 (32601161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20955 + ... + 22456.

It is an arithmetic number, because the mean of its divisors is an integer number (8161456).

Almost surely, 2^32601661 is an apocalyptic number.

It is an amenable number.

32601661 is a deficient number, since it is larger than the sum of its proper divisors (44163).

32601661 is an equidigital number, since it uses as much as digits as its factorization.

32601661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44162.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 32601661 is about 5709.7864233262. The cubic root of 32601661 is about 319.4576130968.

The spelling of 32601661 in words is "thirty-two million, six hundred one thousand, six hundred sixty-one".