162072997 has 2 divisors, whose sum is σ = 162072998. Its totient is φ = 162072996.

The previous prime is 162072949. The next prime is 162073057. The reversal of 162072997 is 799270261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159744321 + 2328676 = 12639^2 + 1526^2 .

It is an emirp because it is prime and its reverse (799270261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162072997 - 2²³ = 153684389 is a prime.

It is a super-3 number, since 3×162072997³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162072797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81036498 + 81036499.

It is an arithmetic number, because the mean of its divisors is an integer number (81036499).

Almost surely, 2^162072997 is an apocalyptic number.

It is an amenable number.

162072997 is a deficient number, since it is larger than the sum of its proper divisors (1).

162072997 is an equidigital number, since it uses as much as digits as its factorization.

162072997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 162072997 is about 12730.7893313808. The cubic root of 162072997 is about 545.2180447841.

The spelling of 162072997 in words is "one hundred sixty-two million, seventy-two thousand, nine hundred ninety-seven".