16167481 has 16 divisors (see below), whose sum is σ = 18137088. Its totient is φ = 14288400.

The previous prime is 16167469. The next prime is 16167521. The reversal of 16167481 is 18476161.

It is a 6-Lehmer number, since φ(16167481) divides (16167481-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 16167481 - 2⁵ = 16167449 is a prime.

It is a super-2 number, since 2×16167481² = 522774883770722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16167421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99106 + ... + 99268.

It is an arithmetic number, because the mean of its divisors is an integer number (1133568).

Almost surely, 2^16167481 is an apocalyptic number.

16167481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16167481 is a deficient number, since it is larger than the sum of its proper divisors (1969607).

16167481 is a wasteful number, since it uses less digits than its factorization.

16167481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its digits is 8064, while the sum is 34.

The square root of 16167481 is about 4020.8806249378. The cubic root of 16167481 is about 252.8603800871.

The spelling of 16167481 in words is "sixteen million, one hundred sixty-seven thousand, four hundred eighty-one".