162851321049 has 8 divisors (see below), whose sum is σ = 217293940800. Its totient is φ = 108488124336.

The previous prime is 162851321027. The next prime is 162851321057. The reversal of 162851321049 is 940123158261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162851321049 - 2¹³ = 162851312857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162851321049.

It is not an unprimeable number, because it can be changed into a prime (162851421049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19850974 + ... + 19859175.

It is an arithmetic number, because the mean of its divisors is an integer number (27161742600).

Almost surely, 2^162851321049 is an apocalyptic number.

It is an amenable number.

162851321049 is a deficient number, since it is larger than the sum of its proper divisors (54442619751).

162851321049 is a wasteful number, since it uses less digits than its factorization.

162851321049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39711519.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 162851321049 in words is "one hundred sixty-two billion, eight hundred fifty-one million, three hundred twenty-one thousand, forty-nine".