16460621545 has 8 divisors (see below), whose sum is σ = 20125439496. Its totient is φ = 12920034816.

The previous prime is 16460621537. The next prime is 16460621561. The reversal of 16460621545 is 54512606461.

16460621545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5774024169 + 10686597376 = 75987^2 + 103376^2 .

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 16460621545 - 2³ = 16460621537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16460621498 and 16460621507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31057512 + ... + 31058041.

It is an arithmetic number, because the mean of its divisors is an integer number (2515679937).

Almost surely, 2^16460621545 is an apocalyptic number.

It is an amenable number.

16460621545 is a deficient number, since it is larger than the sum of its proper divisors (3664817951).

16460621545 is an equidigital number, since it uses as much as digits as its factorization.

16460621545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62115611.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 16460621545 in words is "sixteen billion, four hundred sixty million, six hundred twenty-one thousand, five hundred forty-five".