33161425403 has 4 divisors (see below), whose sum is σ = 33163648680. Its totient is φ = 33159202128.

The previous prime is 33161425397. The next prime is 33161425447. The reversal of 33161425403 is 30452416133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30452416133 = 181 ⋅168245393.

It is a cyclic number.

It is not a de Polignac number, because 33161425403 - 2¹⁶ = 33161359867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33161425403.

It is not an unprimeable number, because it can be changed into a prime (33161422403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089113 + ... + 1119146.

It is an arithmetic number, because the mean of its divisors is an integer number (8290912170).

Almost surely, 2^33161425403 is an apocalyptic number.

33161425403 is a deficient number, since it is larger than the sum of its proper divisors (2223277).

33161425403 is a wasteful number, since it uses less digits than its factorization.

33161425403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223276.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 33161425403 in words is "thirty-three billion, one hundred sixty-one million, four hundred twenty-five thousand, four hundred three".