33385017172 has 24 divisors (see below), whose sum is σ = 62923183400. Its totient is φ = 15407179776.

The previous prime is 33385017119. The next prime is 33385017223. The reversal of 33385017172 is 27171058333.

It can be written as a sum of positive squares in 4 ways, for example, as 1673955396 + 31711061776 = 40914^2 + 178076^2 .

It is a super-2 number, since 2×33385017172² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914404 + ... + 950212.

Almost surely, 2^33385017172 is an apocalyptic number.

It is an amenable number.

33385017172 is a deficient number, since it is larger than the sum of its proper divisors (29538166228).

33385017172 is a wasteful number, since it uses less digits than its factorization.

33385017172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53755 (or 53753 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 33385017172 in words is "thirty-three billion, three hundred eighty-five million, seventeen thousand, one hundred seventy-two".