16212077 has 4 divisors (see below), whose sum is σ = 18528096. Its totient is φ = 13896060.

The previous prime is 16212061. The next prime is 16212083. The reversal of 16212077 is 77021261.

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: 77021261 = 83 ⋅927967.

It is a cyclic number.

It is not a de Polignac number, because 16212077 - 2⁴ = 16212061 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 (16212037) 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, 1157999 + ... + 1158012.

It is an arithmetic number, because the mean of its divisors is an integer number (4632024).

Almost surely, 2^16212077 is an apocalyptic number.

It is an amenable number.

16212077 is a deficient number, since it is larger than the sum of its proper divisors (2316019).

16212077 is an equidigital number, since it uses as much as digits as its factorization.

16212077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316018.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 16212077 is about 4026.4223573788. The cubic root of 16212077 is about 253.0926613567.

The spelling of 16212077 in words is "sixteen million, two hundred twelve thousand, seventy-seven".