61651050501606 has 16 divisors (see below), whose sum is σ = 123361182054144. Its totient is φ = 20540503325384.

The previous prime is 61651050501581. The next prime is 61651050501617. The reversal of 61651050501606 is 60610505015616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2461696890 + ... + 2461721933.

It is an arithmetic number, because the mean of its divisors is an integer number (7710073878384).

Almost surely, 2^{61651050501606} is an apocalyptic number.

61651050501606 is an abundant number, since it is smaller than the sum of its proper divisors (61710131552538).

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

61651050501606 is a wasteful number, since it uses less digits than its factorization.

61651050501606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923420915.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 61651050501606 in words is "sixty-one trillion, six hundred fifty-one billion, fifty million, five hundred one thousand, six hundred six".