61466063523 has 16 divisors (see below), whose sum is σ = 83014080000. Its totient is φ = 40447985760.

The previous prime is 61466063513. The next prime is 61466063543. The reversal of 61466063523 is 32536066416.

It is a happy number.

It is not a de Polignac number, because 61466063523 - 2⁶ = 61466063459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61466063513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920728 + ... + 985226.

It is an arithmetic number, because the mean of its divisors is an integer number (5188380000).

Almost surely, 2^61466063523 is an apocalyptic number.

61466063523 is a deficient number, since it is larger than the sum of its proper divisors (21548016477).

61466063523 is a wasteful number, since it uses less digits than its factorization.

61466063523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68602.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 61466063523 in words is "sixty-one billion, four hundred sixty-six million, sixty-three thousand, five hundred twenty-three".