16542797229 has 12 divisors (see below), whose sum is σ = 27308744736. Its totient is φ = 9453026952.

The previous prime is 16542797221. The next prime is 16542797239. The reversal of 16542797229 is 92279724561.

16542797229 is a `hidden beast` number, since 1 + 6 + 542 + 7 + 9 + 72 + 29 = 666.

It is not a de Polignac number, because 16542797229 - 2³ = 16542797221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16542797221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131291979 + ... + 131292104.

It is an arithmetic number, because the mean of its divisors is an integer number (2275728728).

Almost surely, 2^16542797229 is an apocalyptic number.

It is an amenable number.

16542797229 is a deficient number, since it is larger than the sum of its proper divisors (10765947507).

16542797229 is a wasteful number, since it uses less digits than its factorization.

16542797229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262584096 (or 262584093 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

It can be divided in two parts, 16 and 542797229, that added together give a palindrome (542797245).

The spelling of 16542797229 in words is "sixteen billion, five hundred forty-two million, seven hundred ninety-seven thousand, two hundred twenty-nine".