2665192738 has 16 divisors (see below), whose sum is σ = 4531907520. Its totient is φ = 1165347216.

The previous prime is 2665192711. The next prime is 2665192793. The reversal of 2665192738 is 8372915662.

It is a junction number, because it is equal to n+sod(n) for n = 2665192691 and 2665192700.

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, 2697070 + ... + 2698057.

It is an arithmetic number, because the mean of its divisors is an integer number (283244220).

Almost surely, 2^2665192738 is an apocalyptic number.

2665192738 is a deficient number, since it is larger than the sum of its proper divisors (1866714782).

2665192738 is a wasteful number, since it uses less digits than its factorization.

2665192738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395161.

The product of its digits is 1088640, while the sum is 49.

The square root of 2665192738 is about 51625.5047239250. The cubic root of 2665192738 is about 1386.4670103502.

The spelling of 2665192738 in words is "two billion, six hundred sixty-five million, one hundred ninety-two thousand, seven hundred thirty-eight".