32671661 has 32 divisors (see below), whose sum is σ = 39640320. Its totient is φ = 26611200.

The previous prime is 32671657. The next prime is 32671669. The reversal of 32671661 is 16617623.

It is not a de Polignac number, because 32671661 - 2² = 32671657 is a prime.

It is a super-3 number, since 3×32671661³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32671669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447521 + ... + 447593.

It is an arithmetic number, because the mean of its divisors is an integer number (1238760).

Almost surely, 2^32671661 is an apocalyptic number.

It is an amenable number.

32671661 is a deficient number, since it is larger than the sum of its proper divisors (6968659).

32671661 is a wasteful number, since it uses less digits than its factorization.

32671661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its digits is 9072, while the sum is 32.

The square root of 32671661 is about 5715.9129629483. The cubic root of 32671661 is about 319.6860886465.

The spelling of 32671661 in words is "thirty-two million, six hundred seventy-one thousand, six hundred sixty-one".