161456620426346 has 32 divisors (see below), whose sum is σ = 286327946580480. Its totient is φ = 66809417875200.

The previous prime is 161456620426267. The next prime is 161456620426351. The reversal of 161456620426346 is 643624026654161.

It is a junction number, because it is equal to n+sod(n) for n = 161456620426291 and 161456620426300.

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 15 ways as a sum of consecutive naturals, for example, 200434466 + ... + 201238386.

It is an arithmetic number, because the mean of its divisors is an integer number (8947748330640).

Almost surely, 2^{161456620426346} is an apocalyptic number.

161456620426346 is a deficient number, since it is larger than the sum of its proper divisors (124871326154134).

161456620426346 is a wasteful number, since it uses less digits than its factorization.

161456620426346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298630.

The product of its (nonzero) digits is 29859840, while the sum is 56.

The spelling of 161456620426346 in words is "one hundred sixty-one trillion, four hundred fifty-six billion, six hundred twenty million, four hundred twenty-six thousand, three hundred forty-six".