165120425400014 has 32 divisors (see below), whose sum is σ = 283915096920000. Its totient is φ = 70553200089600.

The previous prime is 165120425399987. The next prime is 165120425400059. The reversal of 165120425400014 is 410004524021561.

It is a super-2 number, since 2×165120425400014² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3396212 + ... + 18487160.

It is an arithmetic number, because the mean of its divisors is an integer number (8872346778750).

Almost surely, 2^{165120425400014} is an apocalyptic number.

165120425400014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165120425400014 is a deficient number, since it is larger than the sum of its proper divisors (118794671519986).

165120425400014 is a wasteful number, since it uses less digits than its factorization.

165120425400014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15093308.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 165120425400014 its reverse (410004524021561), we get a palindrome (575124949421575).

The spelling of 165120425400014 in words is "one hundred sixty-five trillion, one hundred twenty billion, four hundred twenty-five million, four hundred thousand, fourteen".