66152260054 has 4 divisors (see below), whose sum is σ = 99228390084. Its totient is φ = 33076130026.

The previous prime is 66152260051. The next prime is 66152260117. The reversal of 66152260054 is 45006225166.

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

It is a super-2 number, since 2×66152260054² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66152259995 and 66152260022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66152260051) by changing a digit.

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 as a sum of consecutive naturals, namely, 16538065012 + ... + 16538065015.

It is an arithmetic number, because the mean of its divisors is an integer number (24807097521).

Almost surely, 2^66152260054 is an apocalyptic number.

66152260054 is a deficient number, since it is larger than the sum of its proper divisors (33076130030).

66152260054 is a wasteful number, since it uses less digits than its factorization.

66152260054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33076130029.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 66152260054 in words is "sixty-six billion, one hundred fifty-two million, two hundred sixty thousand, fifty-four".