1650641165454 has 16 divisors (see below), whose sum is σ = 3357236269440. Its totient is φ = 540888065400.

The previous prime is 1650641165443. The next prime is 1650641165473. The reversal of 1650641165454 is 4545611460561.

It is a super-2 number, since 2×1650641165454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331413722 + ... + 2331414429.

It is an arithmetic number, because the mean of its divisors is an integer number (209827266840).

Almost surely, 2^{1650641165454} is an apocalyptic number.

1650641165454 is an abundant number, since it is smaller than the sum of its proper divisors (1706595103986).

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

1650641165454 is a wasteful number, since it uses less digits than its factorization.

1650641165454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662828215.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 1650641165454 in words is "one trillion, six hundred fifty billion, six hundred forty-one million, one hundred sixty-five thousand, four hundred fifty-four".