1955155516 has 54 divisors (see below), whose sum is σ = 3694801488. Its totient is φ = 905074560.

The previous prime is 1955155507. The next prime is 1955155541. The reversal of 1955155516 is 6155515591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7214461 + ... + 7214731.

Almost surely, 2^1955155516 is an apocalyptic number.

It is an amenable number.

1955155516 is a deficient number, since it is larger than the sum of its proper divisors (1739645972).

1955155516 is a wasteful number, since it uses less digits than its factorization.

1955155516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 369 counting only the distinct ones).

The product of its digits is 168750, while the sum is 43.

The square root of 1955155516 is about 44217.1405226525. The cubic root of 1955155516 is about 1250.4330267196.

The spelling of 1955155516 in words is "one billion, nine hundred fifty-five million, one hundred fifty-five thousand, five hundred sixteen".