16361377 has 4 divisors (see below), whose sum is σ = 16404480. Its totient is φ = 16318276.

The previous prime is 16361369. The next prime is 16361381. The reversal of 16361377 is 77316361.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77316361 = 137 ⋅564353.

It is a cyclic number.

It is not a de Polignac number, because 16361377 - 2³ = 16361369 is a prime.

It is a super-2 number, since 2×16361377² = 535389314672258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16361347) 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, 20977 + ... + 21742.

It is an arithmetic number, because the mean of its divisors is an integer number (4101120).

Almost surely, 2^16361377 is an apocalyptic number.

It is an amenable number.

16361377 is a deficient number, since it is larger than the sum of its proper divisors (43103).

16361377 is an equidigital number, since it uses as much as digits as its factorization.

16361377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43102.

The product of its digits is 15876, while the sum is 34.

The square root of 16361377 is about 4044.9199003194. The cubic root of 16361377 is about 253.8672141624.

The spelling of 16361377 in words is "sixteen million, three hundred sixty-one thousand, three hundred seventy-seven".