1652666026 has 16 divisors (see below), whose sum is σ = 2705451840. Its totient is φ = 750909280.

The previous prime is 1652666023. The next prime is 1652666069. The reversal of 1652666026 is 6206662561.

It is a self number, because there is not a number n which added to its sum of digits gives 1652666026.

It is not an unprimeable number, because it can be changed into a prime (1652666021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46275 + ... + 73801.

It is an arithmetic number, because the mean of its divisors is an integer number (169090740).

Almost surely, 2^1652666026 is an apocalyptic number.

1652666026 is a deficient number, since it is larger than the sum of its proper divisors (1052785814).

1652666026 is a wasteful number, since it uses less digits than its factorization.

1652666026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30269.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1652666026 is about 40652.9952894003. The cubic root of 1652666026 is about 1182.3018426663.

The spelling of 1652666026 in words is "one billion, six hundred fifty-two million, six hundred sixty-six thousand, twenty-six".