162749662 has 4 divisors (see below), whose sum is σ = 244124496. Its totient is φ = 81374830.

The previous prime is 162749651. The next prime is 162749663. The reversal of 162749662 is 266947261.

It is a happy number.

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

It is a super-2 number, since 2×162749662² = 52974904962228488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162749663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40687414 + ... + 40687417.

It is an arithmetic number, because the mean of its divisors is an integer number (61031124).

Almost surely, 2^162749662 is an apocalyptic number.

162749662 is a deficient number, since it is larger than the sum of its proper divisors (81374834).

162749662 is an equidigital number, since it uses as much as digits as its factorization.

162749662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81374833.

The product of its digits is 217728, while the sum is 43.

The square root of 162749662 is about 12757.3375749017. The cubic root of 162749662 is about 545.9757645099.

The spelling of 162749662 in words is "one hundred sixty-two million, seven hundred forty-nine thousand, six hundred sixty-two".