1651163542 has 24 divisors (see below), whose sum is σ = 2858571216. Its totient is φ = 700708176.

The previous prime is 1651163531. The next prime is 1651163551. The reversal of 1651163542 is 2453611561.

It is a junction number, because it is equal to n+sod(n) for n = 1651163498 and 1651163507.

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, 142968 + ... + 154084.

It is an arithmetic number, because the mean of its divisors is an integer number (119107134).

Almost surely, 2^1651163542 is an apocalyptic number.

1651163542 is a deficient number, since it is larger than the sum of its proper divisors (1207407674).

1651163542 is a wasteful number, since it uses less digits than its factorization.

1651163542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11332 (or 11229 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 1651163542 is about 40634.5117111059. The cubic root of 1651163542 is about 1181.9434463605.

The spelling of 1651163542 in words is "one billion, six hundred fifty-one million, one hundred sixty-three thousand, five hundred forty-two".