16121341453 has 16 divisors (see below), whose sum is σ = 18584237056. Its totient is φ = 13698927360.

The previous prime is 16121341381. The next prime is 16121341477. The reversal of 16121341453 is 35414312161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16121341453 is a prime.

It is a super-3 number, since 3×16121341453³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16121341253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354775 + ... + 397627.

It is an arithmetic number, because the mean of its divisors is an integer number (1161514816).

Almost surely, 2^16121341453 is an apocalyptic number.

It is an amenable number.

16121341453 is a deficient number, since it is larger than the sum of its proper divisors (2462895603).

16121341453 is a wasteful number, since it uses less digits than its factorization.

16121341453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43324.

The product of its digits is 8640, while the sum is 31.

The spelling of 16121341453 in words is "sixteen billion, one hundred twenty-one million, three hundred forty-one thousand, four hundred fifty-three".