12609760161526 has 16 divisors (see below), whose sum is σ = 20636361842688. Its totient is φ = 5731095594600.

The previous prime is 12609760161503. The next prime is 12609760161547. The reversal of 12609760161526 is 62516106790621.

It is a happy number.

It is a super-2 number, since 2×12609760161526² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30468270 + ... + 30879361.

It is an arithmetic number, because the mean of its divisors is an integer number (1289772615168).

Almost surely, 2^{12609760161526} is an apocalyptic number.

12609760161526 is a deficient number, since it is larger than the sum of its proper divisors (8026601681162).

12609760161526 is a wasteful number, since it uses less digits than its factorization.

12609760161526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61356987.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 12609760161526 in words is "twelve trillion, six hundred nine billion, seven hundred sixty million, one hundred sixty-one thousand, five hundred twenty-six".