161070655 has 8 divisors (see below), whose sum is σ = 193523472. Its totient is φ = 128697408.

The previous prime is 161070653. The next prime is 161070661. The reversal of 161070655 is 556070161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161070655 - 2¹ = 161070653 is a prime.

It is a super-3 number, since 3×161070655³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161070653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15342 + ... + 23611.

It is an arithmetic number, because the mean of its divisors is an integer number (24190434).

Almost surely, 2^161070655 is an apocalyptic number.

161070655 is a deficient number, since it is larger than the sum of its proper divisors (32452817).

161070655 is an equidigital number, since it uses as much as digits as its factorization.

161070655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39785.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 161070655 is about 12691.3614320923. The cubic root of 161070655 is about 544.0917509874.

The spelling of 161070655 in words is "one hundred sixty-one million, seventy thousand, six hundred fifty-five".