1651080968 has 16 divisors (see below), whose sum is σ = 3123174780. Its totient is φ = 818234368.

The previous prime is 1651080929. The next prime is 1651080989. The reversal of 1651080968 is 8690801561.

It can be written as a sum of positive squares in 2 ways, for example, as 1621028644 + 30052324 = 40262^2 + 5482^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912305 + ... + 914112.

Almost surely, 2^1651080968 is an apocalyptic number.

It is an amenable number.

1651080968 is a deficient number, since it is larger than the sum of its proper divisors (1472093812).

1651080968 is a wasteful number, since it uses less digits than its factorization.

1651080968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826536 (or 1826532 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 1651080968 is about 40633.4956409118. The cubic root of 1651080968 is about 1181.9237431991.

The spelling of 1651080968 in words is "one billion, six hundred fifty-one million, eighty thousand, nine hundred sixty-eight".