1651265562 has 16 divisors (see below), whose sum is σ = 3364843680. Its totient is φ = 540036432.

The previous prime is 1651265507. The next prime is 1651265587. The reversal of 1651265562 is 2655621561.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1651265562.

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, 2596012 + ... + 2596647.

It is an arithmetic number, because the mean of its divisors is an integer number (210302730).

Almost surely, 2^1651265562 is an apocalyptic number.

1651265562 is an abundant number, since it is smaller than the sum of its proper divisors (1713578118).

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

1651265562 is a wasteful number, since it uses less digits than its factorization.

1651265562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192717.

The product of its digits is 108000, while the sum is 39.

The square root of 1651265562 is about 40635.7670285673. The cubic root of 1651265562 is about 1181.9677886670.

The spelling of 1651265562 in words is "one billion, six hundred fifty-one million, two hundred sixty-five thousand, five hundred sixty-two".