61170162066 has 96 divisors (see below), whose sum is σ = 155807346240. Its totient is φ = 17830943424.

The previous prime is 61170161993. The next prime is 61170162077. The reversal of 61170162066 is 66026107116.

61170162066 is a `hidden beast` number, since 611 + 7 + 0 + 16 + 20 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61170162066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134745 + ... + 374828.

It is an arithmetic number, because the mean of its divisors is an integer number (1622993190).

Almost surely, 2^61170162066 is an apocalyptic number.

61170162066 is an abundant number, since it is smaller than the sum of its proper divisors (94637184174).

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

61170162066 is a wasteful number, since it uses less digits than its factorization.

61170162066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509622 (or 509610 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 61170162066 in words is "sixty-one billion, one hundred seventy million, one hundred sixty-two thousand, sixty-six".