61671000522 has 32 divisors (see below), whose sum is σ = 124487124480. Its totient is φ = 20366866800.

The previous prime is 61671000449. The next prime is 61671000533. The reversal of 61671000522 is 22500017616.

It is a self number, because there is not a number n which added to its sum of digits gives 61671000522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253573 + ... + 433175.

It is an arithmetic number, because the mean of its divisors is an integer number (3890222640).

Almost surely, 2^61671000522 is an apocalyptic number.

61671000522 is an abundant number, since it is smaller than the sum of its proper divisors (62816123958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61671000522 is a wasteful number, since it uses less digits than its factorization.

61671000522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180138.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 61671000522 in words is "sixty-one billion, six hundred seventy-one million, five hundred twenty-two", and thus it is an aban number.