16463542621240 has 192 divisors, whose sum is σ = 45169689139200. Its totient is φ = 5347958054400.

The previous prime is 16463542621223. The next prime is 16463542621261. The reversal of 16463542621240 is 4212624536461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1265860 + ... + 5876179.

It is an arithmetic number, because the mean of its divisors is an integer number (235258797600).

Almost surely, 2^{16463542621240} is an apocalyptic number.

16463542621240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16463542621240 is an abundant number, since it is smaller than the sum of its proper divisors (28706146517960).

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

16463542621240 is a wasteful number, since it uses less digits than its factorization.

16463542621240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142118 (or 7142101 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

It can be divided in two parts, 164635 and 42621240, that added together give a triangular number (42785875 = T₉₂₅₀).

The spelling of 16463542621240 in words is "sixteen trillion, four hundred sixty-three billion, five hundred forty-two million, six hundred twenty-one thousand, two hundred forty".