33172725416 has 8 divisors (see below), whose sum is σ = 62198860170. Its totient is φ = 16586362704.

The previous prime is 33172725403. The next prime is 33172725437. The reversal of 33172725416 is 61452727133.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32699488900 + 473236516 = 180830^2 + 21754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33172725416² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2073295331 + ... + 2073295346.

Almost surely, 2^33172725416 is an apocalyptic number.

It is an amenable number.

33172725416 is a deficient number, since it is larger than the sum of its proper divisors (29026134754).

33172725416 is a wasteful number, since it uses less digits than its factorization.

33172725416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146590683 (or 4146590679 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The spelling of 33172725416 in words is "thirty-three billion, one hundred seventy-two million, seven hundred twenty-five thousand, four hundred sixteen".