16475457461 has 4 divisors (see below), whose sum is σ = 16477336992. Its totient is φ = 16473577932.

The previous prime is 16475457457. The next prime is 16475457473.

16475457461 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16475457461 - 2² = 16475457457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16475457431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926555 + ... + 944168.

It is an arithmetic number, because the mean of its divisors is an integer number (4119334248).

Almost surely, 2^16475457461 is an apocalyptic number.

It is an amenable number.

16475457461 is a deficient number, since it is larger than the sum of its proper divisors (1879531).

16475457461 is an equidigital number, since it uses as much as digits as its factorization.

16475457461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879530.

The product of its digits is 2822400, while the sum is 50.

The spelling of 16475457461 in words is "sixteen billion, four hundred seventy-five million, four hundred fifty-seven thousand, four hundred sixty-one".