13061660542 has 32 divisors (see below), whose sum is σ = 23622624000. Its totient is φ = 5291371008.

The previous prime is 13061660501. The next prime is 13061660593. The reversal of 13061660542 is 24506616031.

It is a super-2 number, since 2×13061660542² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13061660498 and 13061660507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64753 + ... + 174115.

It is an arithmetic number, because the mean of its divisors is an integer number (738207000).

Almost surely, 2^13061660542 is an apocalyptic number.

13061660542 is a deficient number, since it is larger than the sum of its proper divisors (10560963458).

13061660542 is a wasteful number, since it uses less digits than its factorization.

13061660542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109840.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 13061660542 in words is "thirteen billion, sixty-one million, six hundred sixty thousand, five hundred forty-two".