33158106 has 32 divisors (see below), whose sum is σ = 73874880. Its totient is φ = 11024208.

The previous prime is 33158101. The next prime is 33158129. The reversal of 33158106 is 60185133.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 33158106.

It is not an unprimeable number, because it can be changed into a prime (33158101) 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, 36105 + ... + 37011.

It is an arithmetic number, because the mean of its divisors is an integer number (2308590).

Almost surely, 2^33158106 is an apocalyptic number.

33158106 is an abundant number, since it is smaller than the sum of its proper divisors (40716774).

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

33158106 is a wasteful number, since it uses less digits than its factorization.

33158106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 33158106 is about 5758.3075638594. The cubic root of 33158106 is about 321.2648700390.

The spelling of 33158106 in words is "thirty-three million, one hundred fifty-eight thousand, one hundred six".