61266323534 has 96 divisors (see below), whose sum is σ = 107895243456. Its totient is φ = 25901890560.

The previous prime is 61266323509. The next prime is 61266323539. The reversal of 61266323534 is 43532366216.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 61266323491 and 61266323500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61266323539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33169799 + ... + 33171645.

It is an arithmetic number, because the mean of its divisors is an integer number (1123908786).

Almost surely, 2^61266323534 is an apocalyptic number.

61266323534 is a deficient number, since it is larger than the sum of its proper divisors (46628919922).

61266323534 is a wasteful number, since it uses less digits than its factorization.

61266323534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998 (or 1969 counting only the distinct ones).

The product of its digits is 466560, while the sum is 41.

The spelling of 61266323534 in words is "sixty-one billion, two hundred sixty-six million, three hundred twenty-three thousand, five hundred thirty-four".