2666515142 has 16 divisors (see below), whose sum is σ = 4140536400. Its totient is φ = 1286399520.

The previous prime is 2666515129. The next prime is 2666515153. The reversal of 2666515142 is 2415156662.

It is a super-2 number, since 2×2666515142² = 14220606005030560328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666515096 and 2666515105.

It is a congruent number.

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, 73784 + ... + 103812.

It is an arithmetic number, because the mean of its divisors is an integer number (258783525).

Almost surely, 2^2666515142 is an apocalyptic number.

2666515142 is a deficient number, since it is larger than the sum of its proper divisors (1474021258).

2666515142 is a wasteful number, since it uses less digits than its factorization.

2666515142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31591.

The product of its digits is 86400, while the sum is 38.

The square root of 2666515142 is about 51638.3107973140. The cubic root of 2666515142 is about 1386.6962828698.

The spelling of 2666515142 in words is "two billion, six hundred sixty-six million, five hundred fifteen thousand, one hundred forty-two".