16061272544 has 12 divisors (see below), whose sum is σ = 31620630384. Its totient is φ = 8030636256.

The previous prime is 16061272523. The next prime is 16061272547. The reversal of 16061272544 is 44527216061.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16061272498 and 16061272507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061272547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250957352 + ... + 250957415.

It is an arithmetic number, because the mean of its divisors is an integer number (2635052532).

Almost surely, 2^16061272544 is an apocalyptic number.

It is an amenable number.

16061272544 is a deficient number, since it is larger than the sum of its proper divisors (15559357840).

16061272544 is an equidigital number, since it uses as much as digits as its factorization.

16061272544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501914777 (or 501914769 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 16061272544 in words is "sixteen billion, sixty-one million, two hundred seventy-two thousand, five hundred forty-four".