33166830 has 32 divisors (see below), whose sum is σ = 84284064. Its totient is φ = 8324096.

The previous prime is 33166823. The next prime is 33166831. The reversal of 33166830 is 3866133.

It is a super-2 number, since 2×33166830² = 2200077224497800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33166831) 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, 32007 + ... + 33026.

It is an arithmetic number, because the mean of its divisors is an integer number (2633877).

Almost surely, 2^33166830 is an apocalyptic number.

33166830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33166830 is an abundant number, since it is smaller than the sum of its proper divisors (51117234).

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

33166830 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 33166830 = (68361303)₉.

33166830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65060.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 33166830 is about 5759.0650282837. The cubic root of 33166830 is about 321.2930428279.

It can be divided in two parts, 331 and 66830, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 33166830 in words is "thirty-three million, one hundred sixty-six thousand, eight hundred thirty".