1679962161 has 16 divisors (see below), whose sum is σ = 2248464960. Its totient is φ = 1115727360.

The previous prime is 1679962157. The next prime is 1679962181. The reversal of 1679962161 is 1612699761.

It is a happy number.

It is not a de Polignac number, because 1679962161 - 2² = 1679962157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1679962161.

It is not an unprimeable number, because it can be changed into a prime (1679962181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1487445 + ... + 1488573.

It is an arithmetic number, because the mean of its divisors is an integer number (140529060).

Almost surely, 2^1679962161 is an apocalyptic number.

It is an amenable number.

1679962161 is a deficient number, since it is larger than the sum of its proper divisors (568502799).

1679962161 is a wasteful number, since it uses less digits than its factorization.

1679962161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576.

The product of its digits is 244944, while the sum is 48.

The square root of 1679962161 is about 40987.3414727035. The cubic root of 1679962161 is about 1188.7754654038.

The spelling of 1679962161 in words is "one billion, six hundred seventy-nine million, nine hundred sixty-two thousand, one hundred sixty-one".