22066604157 has 16 divisors (see below), whose sum is σ = 31701880448. Its totient is φ = 13572377280.

The previous prime is 22066604117. The next prime is 22066604207. The reversal of 22066604157 is 75140666022.

It is not a de Polignac number, because 22066604157 - 2¹⁸ = 22066342013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066604117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70969 + ... + 221742.

It is an arithmetic number, because the mean of its divisors is an integer number (1981367528).

Almost surely, 2^22066604157 is an apocalyptic number.

It is an amenable number.

22066604157 is a deficient number, since it is larger than the sum of its proper divisors (9635276291).

22066604157 is a wasteful number, since it uses less digits than its factorization.

22066604157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294660.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 22066604157 in words is "twenty-two billion, sixty-six million, six hundred four thousand, one hundred fifty-seven".