32166490 has 8 divisors (see below), whose sum is σ = 57899700. Its totient is φ = 12866592.

The previous prime is 32166457. The next prime is 32166503. The reversal of 32166490 is 9466123.

It can be written as a sum of positive squares in 2 ways, for example, as 31708161 + 458329 = 5631^2 + 677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608315 + ... + 1608334.

Almost surely, 2^32166490 is an apocalyptic number.

32166490 is a deficient number, since it is larger than the sum of its proper divisors (25733210).

32166490 is a wasteful number, since it uses less digits than its factorization.

32166490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216656.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 32166490 is about 5671.5509342683. The cubic root of 32166490 is about 318.0298549295.

The spelling of 32166490 in words is "thirty-two million, one hundred sixty-six thousand, four hundred ninety".