16412402 has 4 divisors (see below), whose sum is σ = 24618606. Its totient is φ = 8206200.

The previous prime is 16412393. The next prime is 16412413. The reversal of 16412402 is 20421461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20421461 = 157 ⋅130073.

It can be written as a sum of positive squares in only one way, i.e., 13388281 + 3024121 = 3659^2 + 1739^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4103099 + ... + 4103102.

Almost surely, 2^16412402 is an apocalyptic number.

16412402 is a deficient number, since it is larger than the sum of its proper divisors (8206204).

16412402 is an equidigital number, since it uses as much as digits as its factorization.

16412402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206203.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 16412402 is about 4051.2222846938. Note that the first 4 decimals coincide. The cubic root of 16412402 is about 254.1308458462.

Adding to 16412402 its reverse (20421461), we get a palindrome (36833863).

The spelling of 16412402 in words is "sixteen million, four hundred twelve thousand, four hundred two".