165252343430254 has 4 divisors (see below), whose sum is σ = 247878515145384. Its totient is φ = 82626171715126.

The previous prime is 165252343430231. The next prime is 165252343430297. The reversal of 165252343430254 is 452034343252561.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×165252343430254² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165252343430198 and 165252343430207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41313085857562 + ... + 41313085857565.

It is an arithmetic number, because the mean of its divisors is an integer number (61969628786346).

Almost surely, 2^{165252343430254} is an apocalyptic number.

165252343430254 is a deficient number, since it is larger than the sum of its proper divisors (82626171715130).

165252343430254 is an equidigital number, since it uses as much as digits as its factorization.

165252343430254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82626171715129.

The product of its (nonzero) digits is 10368000, while the sum is 49.

The spelling of 165252343430254 in words is "one hundred sixty-five trillion, two hundred fifty-two billion, three hundred forty-three million, four hundred thirty thousand, two hundred fifty-four".