16834340401 has 4 divisors (see below), whose sum is σ = 17289322612. Its totient is φ = 16379358192.

The previous prime is 16834340399. The next prime is 16834340407. The reversal of 16834340401 is 10404343861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10404343861 = 929 ⋅11199509.

It can be written as a sum of positive squares in 2 ways, for example, as 14095388176 + 2738952225 = 118724^2 + 52335^2 .

It is a cyclic number.

It is not a de Polignac number, because 16834340401 - 2¹ = 16834340399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16834340407) 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, 227491050 + ... + 227491123.

It is an arithmetic number, because the mean of its divisors is an integer number (4322330653).

Almost surely, 2^16834340401 is an apocalyptic number.

It is an amenable number.

16834340401 is a deficient number, since it is larger than the sum of its proper divisors (454982211).

16834340401 is an equidigital number, since it uses as much as digits as its factorization.

16834340401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454982210.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 16834340401 in words is "sixteen billion, eight hundred thirty-four million, three hundred forty thousand, four hundred one".