33157722073 has 16 divisors (see below), whose sum is σ = 39896458240. Its totient is φ = 26920026000.

The previous prime is 33157722053. The next prime is 33157722127. The reversal of 33157722073 is 37022775133.

It is a happy number.

It is not a de Polignac number, because 33157722073 - 2¹³ = 33157713881 is a prime.

It is a super-2 number, since 2×33157722073² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33157722053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797818 + ... + 838348.

It is an arithmetic number, because the mean of its divisors is an integer number (2493528640).

Almost surely, 2^33157722073 is an apocalyptic number.

It is an amenable number.

33157722073 is a deficient number, since it is larger than the sum of its proper divisors (6738736167).

33157722073 is a wasteful number, since it uses less digits than its factorization.

33157722073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46708.

The product of its (nonzero) digits is 185220, while the sum is 40.

The spelling of 33157722073 in words is "thirty-three billion, one hundred fifty-seven million, seven hundred twenty-two thousand, seventy-three".