1618767460456 has 64 divisors (see below), whose sum is σ = 3155941440000. Its totient is φ = 777569882880.

The previous prime is 1618767460451. The next prime is 1618767460481. The reversal of 1618767460456 is 6540647678161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1618767460394 and 1618767460403.

It is not an unprimeable number, because it can be changed into a prime (1618767460451) 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, 69347235 + ... + 69370573.

It is an arithmetic number, because the mean of its divisors is an integer number (49311585000).

Almost surely, 2^{1618767460456} is an apocalyptic number.

It is an amenable number.

1618767460456 is a deficient number, since it is larger than the sum of its proper divisors (1537173979544).

1618767460456 is a wasteful number, since it uses less digits than its factorization.

1618767460456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25402 (or 25398 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 1618767460456 in words is "one trillion, six hundred eighteen billion, seven hundred sixty-seven million, four hundred sixty thousand, four hundred fifty-six".