16555230023740 has 96 divisors (see below), whose sum is σ = 38074979988864. Its totient is φ = 6021508669440.

The previous prime is 16555230023737. The next prime is 16555230023749. The reversal of 16555230023740 is 4732003255561.

It is a happy number.

It is a super-2 number, since 2×16555230023740² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555230023749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4329259 + ... + 7200898.

It is an arithmetic number, because the mean of its divisors is an integer number (396614374884).

Almost surely, 2^{16555230023740} is an apocalyptic number.

16555230023740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16555230023740 is an abundant number, since it is smaller than the sum of its proper divisors (21519749965124).

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

16555230023740 is a wasteful number, since it uses less digits than its factorization.

16555230023740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530327 (or 11530325 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 16555230023740 in words is "sixteen trillion, five hundred fifty-five billion, two hundred thirty million, twenty-three thousand, seven hundred forty".