16493377 has 2 divisors, whose sum is σ = 16493378. Its totient is φ = 16493376.

The previous prime is 16493359. The next prime is 16493413. The reversal of 16493377 is 77339461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15241216 + 1252161 = 3904^2 + 1119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16493377 is a prime.

It is not a weakly prime, because it can be changed into another prime (16493177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8246688 + 8246689.

It is an arithmetic number, because the mean of its divisors is an integer number (8246689).

Almost surely, 2^16493377 is an apocalyptic number.

It is an amenable number.

16493377 is a deficient number, since it is larger than the sum of its proper divisors (1).

16493377 is an equidigital number, since it uses as much as digits as its factorization.

16493377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 16493377 is about 4061.2038855492. The cubic root of 16493377 is about 254.5481013446.

The spelling of 16493377 in words is "sixteen million, four hundred ninety-three thousand, three hundred seventy-seven".