16343540077 has 4 divisors (see below), whose sum is σ = 17054128800. Its totient is φ = 15632951356.

The previous prime is 16343540051. The next prime is 16343540113. The reversal of 16343540077 is 77004534361.

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.

It is a cyclic number.

It is not a de Polignac number, because 16343540077 - 2¹⁵ = 16343507309 is a prime.

It is a super-2 number, since 2×16343540077² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343540977) 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, 355294327 + ... + 355294372.

It is an arithmetic number, because the mean of its divisors is an integer number (4263532200).

Almost surely, 2^16343540077 is an apocalyptic number.

It is an amenable number.

16343540077 is a deficient number, since it is larger than the sum of its proper divisors (710588723).

16343540077 is an equidigital number, since it uses as much as digits as its factorization.

16343540077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710588722.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 16343540077 in words is "sixteen billion, three hundred forty-three million, five hundred forty thousand, seventy-seven".