162257656951 has 24 divisors (see below), whose sum is σ = 189660350880. Its totient is φ = 138324041856.

The previous prime is 162257656937. The next prime is 162257656973. The reversal of 162257656951 is 159656752261.

It is not a de Polignac number, because 162257656951 - 2⁹ = 162257656439 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 162257656892 and 162257656901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162257653951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606996 + ... + 832441.

It is an arithmetic number, because the mean of its divisors is an integer number (7902514620).

Almost surely, 2^162257656951 is an apocalyptic number.

162257656951 is a deficient number, since it is larger than the sum of its proper divisors (27402693929).

162257656951 is a wasteful number, since it uses less digits than its factorization.

162257656951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439515 (or 1439502 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 55.

The spelling of 162257656951 in words is "one hundred sixty-two billion, two hundred fifty-seven million, six hundred fifty-six thousand, nine hundred fifty-one".