162866434546 has 4 divisors (see below), whose sum is σ = 244299651822. Its totient is φ = 81433217272.

The previous prime is 162866434541. The next prime is 162866434547. The reversal of 162866434546 is 645434668261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97222358025 + 65644076521 = 311805^2 + 256211^2 .

It is a super-2 number, since 2×162866434546² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162866434541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40716608635 + ... + 40716608638.

Almost surely, 2^162866434546 is an apocalyptic number.

162866434546 is a deficient number, since it is larger than the sum of its proper divisors (81433217276).

162866434546 is an equidigital number, since it uses as much as digits as its factorization.

162866434546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81433217275.

The product of its digits is 19906560, while the sum is 55.

The spelling of 162866434546 in words is "one hundred sixty-two billion, eight hundred sixty-six million, four hundred thirty-four thousand, five hundred forty-six".