16622532649 has 8 divisors (see below), whose sum is σ = 17200753920. Its totient is φ = 16044646800.

The previous prime is 16622532637. The next prime is 16622532659. The reversal of 16622532649 is 94623522661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16622532649 - 2⁵ = 16622532617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16622532599 and 16622532608.

It is not an unprimeable number, because it can be changed into a prime (16622532659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19144 + ... + 183334.

It is an arithmetic number, because the mean of its divisors is an integer number (2150094240).

Almost surely, 2^16622532649 is an apocalyptic number.

It is an amenable number.

16622532649 is a deficient number, since it is larger than the sum of its proper divisors (578221271).

16622532649 is a wasteful number, since it uses less digits than its factorization.

16622532649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167711.

The product of its digits is 933120, while the sum is 46.

The spelling of 16622532649 in words is "sixteen billion, six hundred twenty-two million, five hundred thirty-two thousand, six hundred forty-nine".