1628655143036 has 72 divisors (see below), whose sum is σ = 3071565871920. Its totient is φ = 755388755968.

The previous prime is 1628655142991. The next prime is 1628655143057. The reversal of 1628655143036 is 6303415568261.

It is a happy number.

It is a super-2 number, since 2×1628655143036² (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 23 ways as a sum of consecutive naturals, for example, 23347586 + ... + 23417238.

It is an arithmetic number, because the mean of its divisors is an integer number (42660637110).

Almost surely, 2^{1628655143036} is an apocalyptic number.

It is an amenable number.

1628655143036 is a deficient number, since it is larger than the sum of its proper divisors (1442910728884).

1628655143036 is a wasteful number, since it uses less digits than its factorization.

1628655143036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69983 (or 69964 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 1628655143036 in words is "one trillion, six hundred twenty-eight billion, six hundred fifty-five million, one hundred forty-three thousand, thirty-six".