162420757 has 8 divisors (see below), whose sum is σ = 164332800. Its totient is φ = 160516224.

The previous prime is 162420719. The next prime is 162420773. The reversal of 162420757 is 757024261.

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

It is a cyclic number.

It is not a de Polignac number, because 162420757 - 2²⁷ = 28203029 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 (162420157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49669 + ... + 52837.

It is an arithmetic number, because the mean of its divisors is an integer number (20541600).

Almost surely, 2^162420757 is an apocalyptic number.

It is an amenable number.

162420757 is a deficient number, since it is larger than the sum of its proper divisors (1912043).

162420757 is a wasteful number, since it uses less digits than its factorization.

162420757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 162420757 is about 12744.4402387865. The cubic root of 162420757 is about 545.6077242914.

The spelling of 162420757 in words is "one hundred sixty-two million, four hundred twenty thousand, seven hundred fifty-seven".