66503161150140 has 96 divisors (see below), whose sum is σ = 218762846217216. Its totient is φ = 14881826269440.

The previous prime is 66503161150123. The next prime is 66503161150157. The reversal of 66503161150140 is 4105116130566.

It is an interprime number because it is at equal distance from previous prime (66503161150123) and next prime (66503161150157).

It is a super-2 number, since 2×66503161150140² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3875467012 + ... + 3875484171.

It is an arithmetic number, because the mean of its divisors is an integer number (2278779648096).

Almost surely, 2^{66503161150140} is an apocalyptic number.

66503161150140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66503161150140 is an abundant number, since it is smaller than the sum of its proper divisors (152259685067076).

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

66503161150140 is a wasteful number, since it uses less digits than its factorization.

66503161150140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750951219 (or 7750951217 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 66503161150140 in words is "sixty-six trillion, five hundred three billion, one hundred sixty-one million, one hundred fifty thousand, one hundred forty".