16023355557 has 32 divisors (see below), whose sum is σ = 24598464000. Its totient is φ = 9175602240.

The previous prime is 16023355549. The next prime is 16023355583. The reversal of 16023355557 is 75555332061.

It is a happy number.

It is not a de Polignac number, because 16023355557 - 2³ = 16023355549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16023355507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203919 + ... + 271347.

It is an arithmetic number, because the mean of its divisors is an integer number (768702000).

Almost surely, 2^16023355557 is an apocalyptic number.

It is an amenable number.

16023355557 is a deficient number, since it is larger than the sum of its proper divisors (8575108443).

16023355557 is a wasteful number, since it uses less digits than its factorization.

16023355557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67841.

The product of its (nonzero) digits is 472500, while the sum is 42.

The spelling of 16023355557 in words is "sixteen billion, twenty-three million, three hundred fifty-five thousand, five hundred fifty-seven".