33398161007 has 4 divisors (see below), whose sum is σ = 33399059760. Its totient is φ = 33397262256.

The previous prime is 33398161001. The next prime is 33398161067. The reversal of 33398161007 is 70016189333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70016189333 = 20161 ⋅3472853.

It is a cyclic number.

It is not a de Polignac number, because 33398161007 - 2²⁶ = 33331052143 is a prime.

It is a super-2 number, since 2×33398161007² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33398161001) 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, 391118 + ... + 468795.

It is an arithmetic number, because the mean of its divisors is an integer number (8349764940).

Almost surely, 2^33398161007 is an apocalyptic number.

33398161007 is a deficient number, since it is larger than the sum of its proper divisors (898753).

33398161007 is an equidigital number, since it uses as much as digits as its factorization.

33398161007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898752.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 33398161007 in words is "thirty-three billion, three hundred ninety-eight million, one hundred sixty-one thousand, seven".