16719461 has 4 divisors (see below), whose sum is σ = 18239424. Its totient is φ = 15199500.

The previous prime is 16719427. The next prime is 16719463. The reversal of 16719461 is 16491761.

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 16719461 - 2²² = 12525157 is a prime.

It is a super-2 number, since 2×16719461² = 559080752261042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16719463) 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, 759965 + ... + 759986.

It is an arithmetic number, because the mean of its divisors is an integer number (4559856).

Almost surely, 2^16719461 is an apocalyptic number.

16719461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16719461 is a deficient number, since it is larger than the sum of its proper divisors (1519963).

16719461 is a wasteful number, since it uses less digits than its factorization.

16719461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519962.

The product of its digits is 9072, while the sum is 35.

The square root of 16719461 is about 4088.9437511416. The cubic root of 16719461 is about 255.7059051501.

The spelling of 16719461 in words is "sixteen million, seven hundred nineteen thousand, four hundred sixty-one".