160976749 has 4 divisors (see below), whose sum is σ = 162401436. Its totient is φ = 159552064.

The previous prime is 160976731. The next prime is 160976771. The reversal of 160976749 is 947679061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44983849 + 115992900 = 6707^2 + 10770^2 .

It is a cyclic number.

It is not a de Polignac number, because 160976749 - 2¹³ = 160968557 is a prime.

It is a super-3 number, since 3×160976749³ (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 (160976779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712174 + ... + 712399.

It is an arithmetic number, because the mean of its divisors is an integer number (40600359).

Almost surely, 2^160976749 is an apocalyptic number.

It is an amenable number.

160976749 is a deficient number, since it is larger than the sum of its proper divisors (1424687).

160976749 is a wasteful number, since it uses less digits than its factorization.

160976749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424686.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 160976749 is about 12687.6612896152. The cubic root of 160976749 is about 543.9859932326.

The spelling of 160976749 in words is "one hundred sixty million, nine hundred seventy-six thousand, seven hundred forty-nine".