165263683504628 has 24 divisors (see below), whose sum is σ = 290682984898152. Its totient is φ = 82211412092544.

The previous prime is 165263683504597. The next prime is 165263683504631. The reversal of 165263683504628 is 826405386362561.

It is a happy number.

165263683504628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13121622374884 + 152142061129744 = 3622378^2 + 12334588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67380350 + ... + 69789962.

It is an arithmetic number, because the mean of its divisors is an integer number (12111791037423).

Almost surely, 2^{165263683504628} is an apocalyptic number.

It is an amenable number.

165263683504628 is a deficient number, since it is larger than the sum of its proper divisors (125419301393524).

165263683504628 is a wasteful number, since it uses less digits than its factorization.

165263683504628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496851 (or 2496849 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 65.

The spelling of 165263683504628 in words is "one hundred sixty-five trillion, two hundred sixty-three billion, six hundred eighty-three million, five hundred four thousand, six hundred twenty-eight".