161101662 has 16 divisors (see below), whose sum is σ = 328283280. Its totient is φ = 52687232.

The previous prime is 161101657. The next prime is 161101687. The reversal of 161101662 is 266101161.

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, 252987 + ... + 253622.

It is an arithmetic number, because the mean of its divisors is an integer number (20517705).

Almost surely, 2^161101662 is an apocalyptic number.

161101662 is an abundant number, since it is smaller than the sum of its proper divisors (167181618).

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

161101662 is a wasteful number, since it uses less digits than its factorization.

161101662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506667.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 161101662 is about 12692.5829522600. The cubic root of 161101662 is about 544.1266623135.

The spelling of 161101662 in words is "one hundred sixty-one million, one hundred one thousand, six hundred sixty-two".