162625053881 has 2 divisors, whose sum is σ = 162625053882. Its totient is φ = 162625053880.

The previous prime is 162625053847. The next prime is 162625053887. The reversal of 162625053881 is 188350526261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155515866025 + 7109187856 = 394355^2 + 84316^2 .

It is a cyclic number.

It is not a de Polignac number, because 162625053881 - 2³⁴ = 145445184697 is a prime.

It is a super-2 number, since 2×162625053881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162625053887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81312526940 + 81312526941.

It is an arithmetic number, because the mean of its divisors is an integer number (81312526941).

Almost surely, 2^162625053881 is an apocalyptic number.

It is an amenable number.

162625053881 is a deficient number, since it is larger than the sum of its proper divisors (1).

162625053881 is an equidigital number, since it uses as much as digits as its factorization.

162625053881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 162625053881 in words is "one hundred sixty-two billion, six hundred twenty-five million, fifty-three thousand, eight hundred eighty-one".