16487407 has 4 divisors (see below), whose sum is σ = 16719696. Its totient is φ = 16255120.

The previous prime is 16487377. The next prime is 16487413. The reversal of 16487407 is 70478461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70478461 = 379 ⋅185959.

It is a cyclic number.

It is not a de Polignac number, because 16487407 - 2²³ = 8098799 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 (16487417) 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, 116038 + ... + 116179.

It is an arithmetic number, because the mean of its divisors is an integer number (4179924).

Almost surely, 2^16487407 is an apocalyptic number.

16487407 is a deficient number, since it is larger than the sum of its proper divisors (232289).

16487407 is an equidigital number, since it uses as much as digits as its factorization.

16487407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232288.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 16487407 is about 4060.4688152971. The cubic root of 16487407 is about 254.5173852668.

It can be divided in two parts, 164 and 87407, that added together give a triangular number (87571 = T₄₁₈).

The spelling of 16487407 in words is "sixteen million, four hundred eighty-seven thousand, four hundred seven".