18196140295 has 16 divisors (see below), whose sum is σ = 21891502080. Its totient is φ = 14519535264.

The previous prime is 18196140293. The next prime is 18196140301. The reversal of 18196140295 is 59204169181.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18196140295 - 2¹ = 18196140293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18196140293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6301342 + ... + 6304228.

It is an arithmetic number, because the mean of its divisors is an integer number (1368218880).

Almost surely, 2^18196140295 is an apocalyptic number.

18196140295 is a deficient number, since it is larger than the sum of its proper divisors (3695361785).

18196140295 is a wasteful number, since it uses less digits than its factorization.

18196140295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 18196140295 in words is "eighteen billion, one hundred ninety-six million, one hundred forty thousand, two hundred ninety-five".