16045582641 has 12 divisors (see below), whose sum is σ = 23515840656. Its totient is φ = 9724595320.

The previous prime is 16045582633. The next prime is 16045582643. The reversal of 16045582641 is 14628554061.

It is not a de Polignac number, because 16045582641 - 2³ = 16045582633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16045582593 and 16045582602.

It is not an unprimeable number, because it can be changed into a prime (16045582643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22100991 + ... + 22101716.

It is an arithmetic number, because the mean of its divisors is an integer number (1959653388).

Almost surely, 2^16045582641 is an apocalyptic number.

16045582641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16045582641 is a deficient number, since it is larger than the sum of its proper divisors (7470258015).

16045582641 is a wasteful number, since it uses less digits than its factorization.

16045582641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44202732 (or 44202721 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 16045582641 in words is "sixteen billion, forty-five million, five hundred eighty-two thousand, six hundred forty-one".