16121034452 has 12 divisors (see below), whose sum is σ = 28315914816. Its totient is φ = 8030773080.

The previous prime is 16121034409. The next prime is 16121034493. The reversal of 16121034452 is 25443012161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7434818 + ... + 7436985.

It is an arithmetic number, because the mean of its divisors is an integer number (2359659568).

Almost surely, 2^16121034452 is an apocalyptic number.

It is an amenable number.

16121034452 is a deficient number, since it is larger than the sum of its proper divisors (12194880364).

16121034452 is a wasteful number, since it uses less digits than its factorization.

16121034452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14872078 (or 14872076 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 16121034452 in words is "sixteen billion, one hundred twenty-one million, thirty-four thousand, four hundred fifty-two".