2667961958 has 16 divisors (see below), whose sum is σ = 4177482336. Its totient is φ = 1275510720.

The previous prime is 2667961957. The next prime is 2667962029. The reversal of 2667961958 is 8591697662.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2667961897 and 2667961906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667961951) 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, 137210 + ... + 155442.

It is an arithmetic number, because the mean of its divisors is an integer number (261092646).

Almost surely, 2^2667961958 is an apocalyptic number.

2667961958 is a deficient number, since it is larger than the sum of its proper divisors (1509520378).

2667961958 is a wasteful number, since it uses less digits than its factorization.

2667961958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21439.

The product of its digits is 9797760, while the sum is 59.

The square root of 2667961958 is about 51652.3180312365. The cubic root of 2667961958 is about 1386.9470385701.

The spelling of 2667961958 in words is "two billion, six hundred sixty-seven million, nine hundred sixty-one thousand, nine hundred fifty-eight".