33424668157 has 8 divisors (see below), whose sum is σ = 33621207480. Its totient is φ = 33228679680.

The previous prime is 33424668149. The next prime is 33424668223. The reversal of 33424668157 is 75186642433.

It can be written as a sum of positive squares in 4 ways, for example, as 1745651961 + 31679016196 = 41781^2 + 177986^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33424668157 - 2³ = 33424668149 is a prime.

It is a super-2 number, since 2×33424668157² (a number of 22 digits) contains 22 as substring.

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 33424668157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33424668107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15682 + ... + 259027.

It is an arithmetic number, because the mean of its divisors is an integer number (4202650935).

Almost surely, 2^33424668157 is an apocalyptic number.

It is an amenable number.

33424668157 is a deficient number, since it is larger than the sum of its proper divisors (196539323).

33424668157 is a wasteful number, since it uses less digits than its factorization.

33424668157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275423.

The product of its digits is 2903040, while the sum is 49.

The spelling of 33424668157 in words is "thirty-three billion, four hundred twenty-four million, six hundred sixty-eight thousand, one hundred fifty-seven".