61651147714602 has 32 divisors (see below), whose sum is σ = 123326479793088. Its totient is φ = 20546352199296.

The previous prime is 61651147714549. The next prime is 61651147714609. The reversal of 61651147714602 is 20641774115616.

It is not an unprimeable number, because it can be changed into a prime (61651147714609) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1098472513 + ... + 1098528635.

It is an arithmetic number, because the mean of its divisors is an integer number (3853952493534).

Almost surely, 2^{61651147714602} is an apocalyptic number.

61651147714602 is an abundant number, since it is smaller than the sum of its proper divisors (61675332078486).

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

61651147714602 is a wasteful number, since it uses less digits than its factorization.

61651147714602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88774.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 61651147714602 in words is "sixty-one trillion, six hundred fifty-one billion, one hundred forty-seven million, seven hundred fourteen thousand, six hundred two".