16020615452 has 6 divisors (see below), whose sum is σ = 28036077048. Its totient is φ = 8010307724.

The previous prime is 16020615433. The next prime is 16020615487. The reversal of 16020615452 is 25451602061.

It is a super-2 number, since 2×16020615452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002576928 + ... + 2002576935.

It is an arithmetic number, because the mean of its divisors is an integer number (4672679508).

Almost surely, 2^16020615452 is an apocalyptic number.

It is an amenable number.

16020615452 is a deficient number, since it is larger than the sum of its proper divisors (12015461596).

16020615452 is a wasteful number, since it uses less digits than its factorization.

16020615452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005153867 (or 4005153865 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 16020615452 in words is "sixteen billion, twenty million, six hundred fifteen thousand, four hundred fifty-two".