61712167002 has 16 divisors (see below), whose sum is σ = 123448600800. Its totient is φ = 20566677872.

The previous prime is 61712166983. The next prime is 61712167061. The reversal of 61712167002 is 20076121716.

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 7 ways as a sum of consecutive naturals, for example, 977973 + ... + 1039160.

It is an arithmetic number, because the mean of its divisors is an integer number (7715537550).

Almost surely, 2^61712167002 is an apocalyptic number.

61712167002 is an abundant number, since it is smaller than the sum of its proper divisors (61736433798).

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

61712167002 is a wasteful number, since it uses less digits than its factorization.

61712167002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022237.

The product of its (nonzero) digits is 7056, while the sum is 33.

Adding to 61712167002 its reverse (20076121716), we get a palindrome (81788288718).

The spelling of 61712167002 in words is "sixty-one billion, seven hundred twelve million, one hundred sixty-seven thousand, two".