162501378775 has 12 divisors (see below), whose sum is σ = 201545818992. Its totient is φ = 129972645440.

The previous prime is 162501378731. The next prime is 162501378779. The reversal of 162501378775 is 577873105261.

It is not a de Polignac number, because 162501378775 - 2¹⁷ = 162501247703 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 (162501378779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 594574 + ... + 823723.

It is an arithmetic number, because the mean of its divisors is an integer number (16795484916).

Almost surely, 2^162501378775 is an apocalyptic number.

162501378775 is a deficient number, since it is larger than the sum of its proper divisors (39044440217).

162501378775 is a wasteful number, since it uses less digits than its factorization.

162501378775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422890 (or 1422885 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 162501378775 in words is "one hundred sixty-two billion, five hundred one million, three hundred seventy-eight thousand, seven hundred seventy-five".