162621436047 has 32 divisors (see below), whose sum is σ = 248507888640. Its totient is φ = 92662859520.

The previous prime is 162621436009. The next prime is 162621436057. The reversal of 162621436047 is 740634126261.

It is a happy number.

It is not a de Polignac number, because 162621436047 - 2¹⁴ = 162621419663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162621436057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21504147 + ... + 21511707.

It is an arithmetic number, because the mean of its divisors is an integer number (7765871520).

Almost surely, 2^162621436047 is an apocalyptic number.

162621436047 is a deficient number, since it is larger than the sum of its proper divisors (85886452593).

162621436047 is a wasteful number, since it uses less digits than its factorization.

162621436047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 162621436047 in words is "one hundred sixty-two billion, six hundred twenty-one million, four hundred thirty-six thousand, forty-seven".