1653820057198 has 16 divisors (see below), whose sum is σ = 2487007542960. Its totient is φ = 824817888576.

The previous prime is 1653820057189. The next prime is 1653820057259. The reversal of 1653820057198 is 8917500283561.

It is a super-2 number, since 2×1653820057198² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 10270261 + ... + 10430047.

It is an arithmetic number, because the mean of its divisors is an integer number (155437971435).

Almost surely, 2^{1653820057198} is an apocalyptic number.

1653820057198 is a deficient number, since it is larger than the sum of its proper divisors (833187485762).

1653820057198 is a wasteful number, since it uses less digits than its factorization.

1653820057198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172851.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 1653820057198 in words is "one trillion, six hundred fifty-three billion, eight hundred twenty million, fifty-seven thousand, one hundred ninety-eight".