61167233453 has 16 divisors (see below), whose sum is σ = 64870170624. Its totient is φ = 57587504880.

The previous prime is 61167233431. The next prime is 61167233483. The reversal of 61167233453 is 35433276116.

It is a cyclic number.

It is not a de Polignac number, because 61167233453 - 2⁶ = 61167233389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61167233453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61167233483) 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 in 15 ways as a sum of consecutive naturals, for example, 117626 + ... + 369012.

It is an arithmetic number, because the mean of its divisors is an integer number (4054385664).

Almost surely, 2^61167233453 is an apocalyptic number.

It is an amenable number.

61167233453 is a deficient number, since it is larger than the sum of its proper divisors (3702937171).

61167233453 is a wasteful number, since it uses less digits than its factorization.

61167233453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251632.

The product of its digits is 272160, while the sum is 41.

The spelling of 61167233453 in words is "sixty-one billion, one hundred sixty-seven million, two hundred thirty-three thousand, four hundred fifty-three".