162771420723 has 8 divisors (see below), whose sum is σ = 217083955200. Its totient is φ = 108486583368.

The previous prime is 162771420703. The next prime is 162771420727. The reversal of 162771420723 is 327024177261.

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

It is not a de Polignac number, because 162771420723 - 2²⁰ = 162770372147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162771420727) 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, 6910563 + ... + 6934076.

It is an arithmetic number, because the mean of its divisors is an integer number (27135494400).

Almost surely, 2^162771420723 is an apocalyptic number.

162771420723 is a deficient number, since it is larger than the sum of its proper divisors (54312534477).

162771420723 is a wasteful number, since it uses less digits than its factorization.

162771420723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13848561.

The product of its (nonzero) digits is 197568, while the sum is 42.

Adding to 162771420723 its reverse (327024177261), we get a palindrome (489795597984).

The spelling of 162771420723 in words is "one hundred sixty-two billion, seven hundred seventy-one million, four hundred twenty thousand, seven hundred twenty-three".