16121166342 has 16 divisors (see below), whose sum is σ = 32543664192. Its totient is φ = 5323500200.

The previous prime is 16121166331. The next prime is 16121166349. The reversal of 16121166342 is 24366112161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16121166349) 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, 12554784 + ... + 12556067.

It is an arithmetic number, because the mean of its divisors is an integer number (2033979012).

Almost surely, 2^16121166342 is an apocalyptic number.

16121166342 is an abundant number, since it is smaller than the sum of its proper divisors (16422497850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16121166342 is a wasteful number, since it uses less digits than its factorization.

16121166342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25110963.

The product of its digits is 10368, while the sum is 33.

The spelling of 16121166342 in words is "sixteen billion, one hundred twenty-one million, one hundred sixty-six thousand, three hundred forty-two".