2661246342 has 24 divisors (see below), whose sum is σ = 5798253240. Its totient is φ = 882125280.

The previous prime is 2661246337. The next prime is 2661246359. The reversal of 2661246342 is 2436421662.

2661246342 is a `hidden beast` number, since 2 + 6 + 6 + 12 + 4 + 634 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2661246297 and 2661246306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409759 + ... + 416202.

It is an arithmetic number, because the mean of its divisors is an integer number (241593885).

Almost surely, 2^2661246342 is an apocalyptic number.

2661246342 is an abundant number, since it is smaller than the sum of its proper divisors (3137006898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2661246342 is a wasteful number, since it uses less digits than its factorization.

2661246342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826148 (or 826145 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 2661246342 is about 51587.2691853329. The cubic root of 2661246342 is about 1385.7823505863.

The spelling of 2661246342 in words is "two billion, six hundred sixty-one million, two hundred forty-six thousand, three hundred forty-two".