161522071500706 has 16 divisors (see below), whose sum is σ = 277731520447680. Its totient is φ = 69014609745840.

The previous prime is 161522071500641. The next prime is 161522071500737. The reversal of 161522071500706 is 607005170225161.

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, 17427927121 + ... + 17427936388.

It is an arithmetic number, because the mean of its divisors is an integer number (17358220027980).

Almost surely, 2^{161522071500706} is an apocalyptic number.

161522071500706 is a deficient number, since it is larger than the sum of its proper divisors (116209448946974).

161522071500706 is a wasteful number, since it uses less digits than its factorization.

161522071500706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34855863849.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 161522071500706 in words is "one hundred sixty-one trillion, five hundred twenty-two billion, seventy-one million, five hundred thousand, seven hundred six".