162420537 has 8 divisors (see below), whose sum is σ = 217076800. Its totient is φ = 108022320.

The previous prime is 162420521. The next prime is 162420539. The reversal of 162420537 is 735024261.

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

It is not a de Polignac number, because 162420537 - 2⁴ = 162420521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162420539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63037 + ... + 65562.

It is an arithmetic number, because the mean of its divisors is an integer number (27134600).

Almost surely, 2^162420537 is an apocalyptic number.

It is an amenable number.

162420537 is a deficient number, since it is larger than the sum of its proper divisors (54656263).

162420537 is a wasteful number, since it uses less digits than its factorization.

162420537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129023.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 162420537 is about 12744.4316075689. The cubic root of 162420537 is about 545.6074779482.

Adding to 162420537 its reverse (735024261), we get a palindrome (897444798).

The spelling of 162420537 in words is "one hundred sixty-two million, four hundred twenty thousand, five hundred thirty-seven".