161350484658 has 32 divisors (see below), whose sum is σ = 352185122880. Its totient is φ = 48873572160.

The previous prime is 161350484629. The next prime is 161350484759. The reversal of 161350484658 is 856484053161.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 161350484658.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353985 + ... + 669332.

It is an arithmetic number, because the mean of its divisors is an integer number (11005785090).

Almost surely, 2^161350484658 is an apocalyptic number.

161350484658 is an abundant number, since it is smaller than the sum of its proper divisors (190834638222).

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

161350484658 is a wasteful number, since it uses less digits than its factorization.

161350484658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025722.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 161350484658 in words is "one hundred sixty-one billion, three hundred fifty million, four hundred eighty-four thousand, six hundred fifty-eight".