61132163567 has 4 divisors (see below), whose sum is σ = 64349645880. Its totient is φ = 57914681256.

The previous prime is 61132163551. The next prime is 61132163629. The reversal of 61132163567 is 76536123116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61132163567 - 2⁴ = 61132163551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61132163537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608741128 + ... + 1608741165.

It is an arithmetic number, because the mean of its divisors is an integer number (16087411470).

Almost surely, 2^61132163567 is an apocalyptic number.

61132163567 is a deficient number, since it is larger than the sum of its proper divisors (3217482313).

61132163567 is a wasteful number, since it uses less digits than its factorization.

61132163567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217482312.

The product of its digits is 136080, while the sum is 41.

The spelling of 61132163567 in words is "sixty-one billion, one hundred thirty-two million, one hundred sixty-three thousand, five hundred sixty-seven".