165121948248 has 32 divisors (see below), whose sum is σ = 414943767600. Its totient is φ = 54755463168.

The previous prime is 165121948223. The next prime is 165121948273. The reversal of 165121948248 is 842849121561.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (165121948223) and next prime (165121948273).

It is a self number, because there is not a number n which added to its sum of digits gives 165121948248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17819413 + ... + 17828676.

Almost surely, 2^165121948248 is an apocalyptic number.

It is an amenable number.

165121948248 is an abundant number, since it is smaller than the sum of its proper divisors (249821819352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165121948248 is a wasteful number, since it uses less digits than its factorization.

165121948248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35648291 (or 35648287 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The spelling of 165121948248 in words is "one hundred sixty-five billion, one hundred twenty-one million, nine hundred forty-eight thousand, two hundred forty-eight".