162740077 has 4 divisors (see below), whose sum is σ = 163776796. Its totient is φ = 161703360.

The previous prime is 162740069. The next prime is 162740087. The reversal of 162740077 is 770047261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16112196 + 146627881 = 4014^2 + 12109^2 .

It is a cyclic number.

It is not a de Polignac number, because 162740077 - 2³ = 162740069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162740027) 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 in 3 ways as a sum of consecutive naturals, for example, 518124 + ... + 518437.

It is an arithmetic number, because the mean of its divisors is an integer number (40944199).

Almost surely, 2^162740077 is an apocalyptic number.

It is an amenable number.

162740077 is a deficient number, since it is larger than the sum of its proper divisors (1036719).

162740077 is a wasteful number, since it uses less digits than its factorization.

162740077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036718.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 162740077 is about 12756.9619032119. The cubic root of 162740077 is about 545.9650460433.

The spelling of 162740077 in words is "one hundred sixty-two million, seven hundred forty thousand, seventy-seven".